{"title":"Small Ring Magnets","description":null,"products":[{"product_id":"neodymium-ring-magnet-od10-x-h1-5x-id5-mm-n42","title":"Neodymium Ring Magnet OD10mm x H1.5mm | Hole 5mm N42","description":"\u003cp\u003eNeodymium Ring Magnets\u003cbr\u003e\u003cbr\u003eOutside Diameter: 10mm (0.393\" in.)\u003cbr\u003eHeight: 1.5mm (0.059\" in.)\u003cbr\u003eInside Diameter: 5mm (0.197\" in.)\u003cbr\u003eGrade: N42\u003cbr\u003eCoating: Nickel (Ni)\u003cbr\u003eMagnetized Direction: Through height - 1.5mm\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eNeodymium Ring magnets are used in many modern-day products and appliances. Permanent magnets and their magnetic fields can be used to operate electronic devices and sound and communications equipment. Other uses include computers, smartphones, televisions, speakers and electric motors. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eRing-shaped magnets are sometimes applied to pipes that contain fluid to descale or modify the passing contents. In less commercial environments, Neodymium ring magnets make handy hanging or attachment mechanisms for garments and coverings.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe hole in the strong magnet ring makes it easy to secure in place with wire, string or sewing thread. Ring magnets are sometimes paired with a steel washer to form a closure system on each side of an opening. Small Neodymium ring magnets are also popular with scale model makers and those who want to add a magnetic aspect to their crafts and hobbies.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046203012,"sku":"R-OD10H1.5ID5","price":3.69,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od10h1.5id5.jpg?v=1752624838"},{"product_id":"neodymium-ring-magnet-od12-x-h2-x-id5-mm-n35","title":"Neodymium Ring Magnet OD12mm x H2mm | Hole 5mm N35","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eOutside Diameter: 12mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eHeight: 2mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eInside Diameter: 5mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eGrade: N35\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eCoating: Nickel (Ni)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eMagnetized Direction: Through height – 2mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003ePull force: 1.115kg\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eSurface field: \u003cspan style=\"color: #ac020e; font-weight: bold;\"\u003e-1,865 \u003c\/span\u003e gauss\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe Neodymium ring magnets, also known as rare earth rings, are available in various sizes and a variety of grades. The higher the grade the greater the pull force for any given size of magnet. The N52 grade is the strongest grade with the highest holding capacity. The amound of magnetic material present, particularly in the distance between the North and South poles (thickness or height dimension) will also determine the strength of pull force. For axially magnetised magnets, which is the orientation of most magnets, thicker magnets have more magnetic material between the north and south poles which in turn generates more magnetic holding power. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe small but strong magnetic ring has many uses. It can be easily attached to ferrous or non-ferrous shafts or rods with a similar inside diameter to make them magnetic or compatible with steel. Small ring magnets can be used to magnetically store or hold small metal tools and implements used by hobbyists, fabricators sculptors or artists.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046235780,"sku":"R-OD12H2ID5-N35","price":5.69,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od12h2id5-n35.png?v=1752624836"},{"product_id":"neodymium-ring-magnet-od13-x-h2-x-id5-mm-n35","title":"Neodymium Ring Magnet OD13mm x H2mm | Hole 5mm N35","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eNeodymium Ring Magnets \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eOutside Diameter: 13mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eHeight: 2mm \u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eInside Diameter: 5mm \u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eGrade: N35\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eCoating: Nickel (Ni)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eMagnetized Direction: Through height - 2mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003ePull force: 1.27kg\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: verdana,geneva;\"\u003e\u003cspan style=\"font-size: small;\"\u003eSurface field: \u003cspan style=\"color: #ac020e; font-weight: bold;\"\u003e-1,999 \u003c\/span\u003e gauss\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThis neodymium magnetic ring is also known as a rare earth ring magnet. It has an outside diameter of 13mm and inside diameter of 5mm and a height of 2mm. Its magnetic flux reading is 1999 Gauss and it has a pull force or magnet force of 1.27 kilos. Magnetic properties of this strong magnet ring include an operating temperature of up to 80 degrees celsius.This Neodymium magnet has a Nickel coating which is the most common coating on Rare Earth magnets.This protects them and will minimise corrosion. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eRing magnets have a wide range of uses. They can be located on a round shaft or round pin that matches the rings inside diameter. The small hole in the centre of a ring magnet also makes it simple to attach to another surface with thread or a length of wire. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWhen used as pairs and positioned with opposite poles, they can be used as a closure if placed on either side of a garment. Another example of use is to magnetically join components of a scale model or other consumer products.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOther modern uses of the Neodymium ring magnets include wind turbines, power tools, electric generators, electric motors, motor vehicle ABS systems, and all sound amplification and communication equipment.  \u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046268548,"sku":"R-OD13H2ID5-N35","price":5.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od13h2id5-n35.png?v=1752624835"},{"product_id":"neodymium-ring-magnet-od13-x-h5-x-id2-mm-n35","title":"Neodymium Ring Magnet OD13mm x H5mm  | Hole 2mm N35","description":"\u003cp\u003e\u003cstrong\u003eNeodymium Ring Magnets\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePowerful Neodymium magnets have helped drive innovation and improve the performance and capabilities of many products and devices in a wide range of modern technologies. This includes the strong Neodymium ring shaped magnets that provide permanent magnetic holding power and have attraction abilities that benefit industries such as manufacturing, robotics, communications, mining, and energy production. As well as bonding with ferromagnetic materials, the North and South poles of strong rare earth ring magnets can influence electrical currents and often play an important role in the operation of reed switches and other sensing and safety orientated equipment. The permanent nature of magnetic hold means in most cases it is constantly available and this leads to high levels of reliability and resilience in the products that use it. Manufacturers of smartphones, laptop computers and most modern technologies incorporate strong rare earth magnetic rings into the design of these products where the simple, non-mechanical nature of magnetic hold and bonding is utilised to great benefit. Electric motors and wind powered generators also depend on Neodymium magnets to create and store electric energy.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046366852,"sku":"R-OD13H5ID2-N35","price":7.76,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od13h5id2-n35.png?v=1752624832"},{"product_id":"neodymium-ring-magnet-od15-x-h3-x-id10-mm-n42","title":"Neodymium Ring Magnet OD15mm x H3mm | Hole 10 mm N42","description":"\u003cp\u003e\u003cstrong\u003eNeodymium Ring Magnets\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNeodymium Ring Magnets Ring-shaped magnets are popular with customers who like the increased attachment options they offer compared to their Disc or Block shaped relatives. In many applications, the central hole of Ring shaped magnets can be used to keep the magnet securely in the correct position. The hole can fit over pins, lugs or on shafts with a similar diameter to hold the ring magnet securely, while at the same time eliminating the need for fasteners and adhesives that can fail or prove less reliable over time. Fitting Neodymium ring magnets in this way means they can be more easily incorporated into the design and operation of many modern devices and electronic goods and can also be used to generate electrical energy or convert it into physical movement in the case of electric motors. The powerful nature of Neodymium means the magnetic fields of these magnets can penetrate through surfaces and exert magnetic influence from beneath the moulded plastic cases of computer equipment and other modern devices. Magnetic switches, sensors and microphones perform much more accurately and reliably when the magnets are attached in this way and the hard plastic casings of many of these electronic products also reduce the risk of the magnets inside becoming damaged or broken. The strong magnetic power of Neodymium is permanent and may never need to be replaced. This in turn gives these products a high level of efficiency and reliability.\u003cbr\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046399620,"sku":"R-OD15H3ID10","price":7.02,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/R-OD15H3ID10.png?v=1781863858"},{"product_id":"neodymium-ring-magnet-od15-x-h3-x-id5-mm-n42","title":"Neodymium Ring Magnet OD15mm x H3mm | Hole 5mm N42","description":"\u003cp\u003e\u003cstrong\u003eNeodymium Ring Magnets\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePowerful Neodymium Ring magnets can be purchased online from the wide range of Frenergy magnetic products which also includes a range of Block and Disc shaped Neodymium magnets. The product range contains Ring magnets in various grades of strength and in a range of width and height dimensions. Another unique and important consideration to take into account when selecting a Ring shaped magnet is the inside diameter(ID) measurement which indicates the diameter of the hole in the middle of the ring. The size of the central hole can be an important factor in determining which method of attachment is used for the magnet in your particular application. Common methods of attachment for all strong rare earth magnets to non-ferrous materials include epoxy glues, brackets and sewing the magnet inside or into soft furnishings or fabrics. Ring magnets can also be held in position with placement over pins or lugs with the same ID dimensions. Commercial products such as electronic devices may employ this method by using plastic casings or moulded synthetic covers with suitable lugs for the Ring magnet to fit over. The magnets are then often used to perform as a magnetic closure device or to operate as magnetic electrical switches. The magnetic aspects of these commercial products give these items a more modern or futuristic feel that appeals to consumers and in many cases, improves their performance. Hobbyists or home-based businesses often use timber or other non-ferrous materials to provide the round lugs that the ring magnet sits on. The magnets can then be used to bond component parts together or to make artistic creations compatible with ferromagnetic surfaces. Screws, tie wire and bolts through the central hole are also commonly used options for attaching the versatile Neodymium Ring Magnets.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046432388,"sku":"R-OD15H3ID5","price":8.57,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/R-OD15H3ID5_sw__10387.jpg?v=1752624830"},{"product_id":"neodymium-ring-magnet-od19-4-x-h1-65-x-id10-mm-n38h","title":"Neodymium Ring Magnet OD19.4mm x H1.65mm | Hole 10mm | N38H | High Temperature ≤120ºC","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – OD19.4mm x H1.65mm | 10mm Hole | N38H | High Temperature 120°C\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 19.4mm OD x 1.65mm H | 10mm Hole | N38H\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-performance, ultra-thin Rare Earth magnet designed for precision applications requiring strong magnetic attraction and elevated-temperature resistance. Manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38H grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this compact ring magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19.4mm outside diameter, 10mm central hole and 1.65mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emaximum operating temperature of 120°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts slim, circular design makes it particularly suitable for applications where installation space is limited, while the central hole allows the magnet to be positioned around compatible shafts, pins, fasteners or other components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38H high-temperature magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides greater resistance to heat-induced demagnetisation than standard-temperature Neodymium grades, making this magnet a practical option for specialised industrial equipment, electronic assemblies, sensors, mechanical systems and engineering prototypes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're designing a compact magnetic assembly, developing a precision component or replacing an existing high-temperature ring magnet, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets N38H Neodymium Ring Magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers a versatile solution for applications requiring a thin profile and reliable permanent magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature N38H Neodymium Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis ring magnet is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38H grade Neodymium\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a high-coercivity Rare Earth magnetic material designed for applications involving elevated operating temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eH designation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e identifies a high-temperature Neodymium grade with improved resistance to irreversible demagnetisation compared with conventional N-grade magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emaximum operating temperature of 120°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnet is suitable for appropriately designed applications operating at elevated temperatures within its rated limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe actual temperature at which irreversible magnetic losses may occur depends on the magnet's geometry, magnetic circuit, external demagnetising fields and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor continuous operation near the maximum rated temperature, application-specific testing is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUltra-Thin 1.65mm Profile\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWith a thickness of just \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1.65mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this Neodymium ring magnet is ideal for low-profile magnetic assemblies where space is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts slim construction makes it suitable for compact electronic devices, sensor systems, precision mechanisms and custom magnetic components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe thin profile allows the magnet to be integrated into shallow housings and assemblies without significantly increasing overall component height.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, thin Neodymium magnets are brittle and must be handled carefully to avoid cracking, chipping or breaking during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e19.4mm Outside Diameter with 10mm Central Hole\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19.4mm outside diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10mm diameter central hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, creating an annular magnetic structure suitable for specialised mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening allows the magnet to be positioned around compatible shafts, pins and other cylindrical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt may also accommodate a suitable fastener or mounting feature, provided the magnet is not subjected to excessive mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole is not countersunk, threaded or otherwise modified unless specifically stated.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStrong Permanent Rare Earth Magnet\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are among the strongest commercially available permanent magnet materials relative to their size.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38H magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combines high magnetic energy density with increased resistance to demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike electromagnets, this ring magnet does not require batteries, wiring or an external electrical power supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts permanent magnetic field makes it suitable for compact magnetic systems, positioning mechanisms, sensor applications and precision assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe actual pull force and magnetic field strength depend on the magnetisation direction, magnetic circuit and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIdeal for Precision Engineering and Custom Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19.4mm outside diameter, 10mm hole and 1.65mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes this magnet particularly useful for applications requiring a compact ring-shaped magnetic component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePotential applications include magnetic sensors, positioning systems, electronic assemblies, small mechanical devices and product prototypes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening provides design flexibility for mounting around suitable components, while the high-temperature grade supports applications where conventional Neodymium magnets may be unsuitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19.4mm Neodymium ring magnet, N38H high-temperature ring magnet, thin Rare Earth washer magnet, 10mm hole Neodymium magnet, annular Neodymium magnet or 120°C Rare Earth magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product offers a practical solution for specialised magnetic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e19.4mm Outside Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact ring design for precision assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e10mm Central Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible shafts, pins and mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1.65mm Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ultra-thin profile for space-restricted applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN38H Magnetic Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-coercivity Neodymium Rare Earth material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e120°C Maximum Operating Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for elevated-temperature applications within specified limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High magnetic energy density relative to its size.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRing-Shaped Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Practical for annular magnetic assemblies and custom components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetic Attraction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for electronic, mechanical and precision applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Improved resistance to demagnetisation compared with standard-temperature Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Mounting Geometry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central hole provides flexibility for compatible assembly designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndustrial and Engineering Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for custom magnetic systems and prototypes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature Magnetic Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into appropriately designed magnetic systems operating at temperatures up to the specified 120°C limit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Sensors\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in compatible magnetic sensing systems where the ring geometry and magnetic field characteristics meet the sensor requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIntegrate into compact mechanical assemblies requiring a thin permanent magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eElectronic Components\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in suitable electronic devices and custom assemblies where permanent magnetic fields are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Positioning Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into positioning and alignment mechanisms designed for the magnet's dimensions and magnetic characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Mechanical Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePosition around compatible shafts, pins or mounting components where the central hole provides a practical design advantage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Prototyping\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEvaluate high-temperature Neodymium ring magnets in new product development and experimental designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIndustrial Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in specialised machinery and magnetic components where the N38H grade meets the operating requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEducational and Research Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDemonstrate magnetic field behaviour, temperature effects and the properties of Rare Earth magnetic materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Magnetic Mechanisms\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into space-restricted mechanisms requiring a thin annular magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose an N38H High-Temperature Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eElevated-Temperature Capability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe N38H grade is designed for improved resistance to demagnetisation, with a specified maximum operating temperature of 120°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUltra-Thin Construction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 1.65mm thickness is suitable for low-profile magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient Central Hole\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 10mm opening provides flexibility for mounting around compatible components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStrong Rare Earth Magnetic Material\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium offers high magnetic energy density compared with conventional Ferrite magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Ring Geometry\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 19.4mm outside diameter is suitable for precision engineering and specialised magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eGenerates a magnetic field without batteries or electrical power.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Ring Magnet – 19.4mm x 1.65mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Rare Earth Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing \/ Annular\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutside Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19.4mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInside Diameter (ID)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.65mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN38H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Classification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating \/ Plating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePrecision Assemblies, Sensors, Electronics and High-Temperature Magnetic Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eDimensions, magnetic grade and maximum operating temperature are supplied as specified. Magnetisation direction, coating, pull force and surface Gauss have not been confirmed.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is an N38H Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAn \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38H Neodymium ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a permanent Rare Earth magnet manufactured from high-coercivity Neodymium Iron Boron magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38 designation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e identifies the approximate maximum energy product class of the magnetic material, while the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eH suffix\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e indicates enhanced resistance to demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eN38H magnets are commonly selected for applications where a balance of magnetic energy density and temperature resistance is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring shape features a central opening, making it suitable for annular assemblies and mounting arrangements involving shafts, pins or other components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact magnetic field distribution depends on the magnetisation direction and surrounding magnetic circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a Neodymium Ring Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium ring magnets generate a permanent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen positioned near suitable ferromagnetic materials, such as iron or mild steel, the magnet produces an attractive force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTwo magnets can also attract or repel one another depending on their magnetic pole orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring geometry influences the distribution of magnetic material and the resulting magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction is particularly important in ring magnets because different configurations can produce significantly different magnetic field patterns.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor applications involving magnetic sensors, motors or precision assemblies, the required pole orientation should be confirmed before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eN38H vs Standard Neodymium Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eN38H Neodymium\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eStandard N-Grade Neodymium\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNdFeB\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNdFeB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGrade Classification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Coercivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard-Coercivity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigher\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGenerally Lower\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120°C for This Product\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCommonly Around 80°C, Depending on Grade and Design\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Energy Density\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVaries by Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrical Power Required\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElevated-Temperature Assemblies, Sensors, Industrial Components\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGeneral-Purpose Magnetic Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Maximum operating temperature is influenced by magnet geometry and magnetic circuit conditions. The 120°C rating should be verified under the intended operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install a Thin Neodymium Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm the Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check that the 19.4mm outside diameter, 10mm hole and 1.65mm thickness match the assembly requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVerify Magnetisation Direction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnetic pole orientation before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Temperature Requirements:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the application remains within the specified operating temperature limit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Mounting Surface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Clean the receiving component or housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect a Suitable Fixing Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use an appropriate housing, retaining feature or compatible adhesive.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Mechanical Stress:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not force the brittle magnet onto an oversized shaft or into an undersized recess.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePosition Carefully:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Align the magnet with the intended mounting arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSecure the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the assembly retains the magnet without excessive pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest Magnetic Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify operation under realistic mechanical and temperature conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for cracks, movement or other installation issues.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetic pole orientation determines the magnetic field distribution and suitability for different applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eElevated temperatures can reduce magnetic output and may cause irreversible losses if the magnet's limits are exceeded.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Circuit Design\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel components, pole pieces and surrounding materials influence the magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSeparation between the magnet and a target reduces magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eContact Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFull contact with suitable ferromagnetic material generally improves holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnet Thickness\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 1.65mm thickness influences the magnetic field distribution and available holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eExternal Magnetic Fields\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eStrong opposing magnetic fields may affect performance, particularly at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Damage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCracks, chips and fractures may affect the magnet's suitability for precision applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSuitable Magnetic Materials\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis magnet can attract compatible ferromagnetic materials, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMild Steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIron\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCarbon Steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFerromagnetic Steel Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCertain Magnetic Stainless Steel Grades\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable Steel Housings and Magnetic Circuits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eNon-Magnetic Materials\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis magnet will not attach directly to non-ferromagnetic materials such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAluminium\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCopper\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBrass\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTimber\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGlass\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePlastic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAcrylic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMost Austenitic Stainless Steel Grades\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole can be used for suitable mechanical mounting arrangements, but the magnet should not be subjected to excessive pressure or bending.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to avoid cracking or chipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not bend or apply excessive mechanical pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid allowing magnets to collide forcefully.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore in a clean, dry environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtect against moisture where coating suitability is unknown.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid exposure above the specified 120°C operating limit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from strong opposing magnetic fields where practical.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect for damage before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse suitable protective packaging during transport.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from young children and sensitive electronic equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmall Magnet Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This magnet is small enough to be swallowed. Keep away from children and pets. Swallowed magnets can cause severe internal injuries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Thin Neodymium ring magnets can crack or fracture under impact, bending or excessive pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Attraction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnets may snap towards steel objects or other magnets unexpectedly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep away from pacemakers, implanted defibrillators and other magnetically sensitive medical devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with sensors, magnetic storage media and sensitive equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Limit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not exceed the specified maximum operating temperature of 120°C. Actual temperature performance depends on the magnetic circuit and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not use the magnet as a load-bearing washer or subject it to excessive fastener compression.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent testing and appropriate engineering verification are required before use in safety-critical systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat are the dimensions of this ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt has a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19.4mm outside diameter, 10mm central hole and 1.65mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat magnetic grade is it?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38H grade Neodymium\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does N38H mean?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN38H identifies a high-coercivity Neodymium magnetic grade designed for improved resistance to demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe specified maximum operating temperature is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a high-temperature Neodymium magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The N38H grade is intended for applications requiring greater temperature resistance than standard Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs it suitable for precision assemblies?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Its thin profile and central hole make it suitable for compatible precision assemblies and custom magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it be mounted around a shaft?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, provided the shaft dimensions and mounting arrangement are suitable and do not place excessive mechanical stress on the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the hole threaded?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo thread specification has been supplied. The product is described as having a 10mm central hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs it countersunk?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA countersunk hole has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs it axially magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been confirmed and should be verified before use in polarity-sensitive applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does it have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe coating has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe pull-force rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it be used in electronic devices?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt may be suitable for compatible electronic assemblies where the magnetic field and temperature characteristics meet the design requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it be used in magnetic sensors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, depending on the required magnetic field strength, pole orientation and sensor configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it attach to stainless steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly stainless steel grades that are sufficiently ferromagnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it attach to aluminium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Aluminium is not ferromagnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it be glued into a housing?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided the adhesive is compatible with the magnet's coating, receiving material and operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it be used above 120°C?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOperation above the specified maximum temperature is not recommended because irreversible magnetic losses may occur.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes it require electricity?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a permanent magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it crack during installation?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The 1.65mm-thick Neodymium material is brittle and can fracture under mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN38H High-Temperature Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThin Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRare Earth Washer Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Temperature Neodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision Magnetic Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Sensor Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom Magnetic Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – OD19.4mm x H1.65mm | 10mm Hole | N38H | High Temperature 120°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, ultra-thin Rare Earth magnet designed for precision engineering, electronic assemblies, magnetic sensors and elevated-temperature applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19.4mm outside diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10mm central hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1.65mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38H magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emaximum operating temperature of 120°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction, coating, pull force, surface Gauss and weight have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on the magnetic circuit, air gaps, operating temperature, external magnetic fields and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This magnet is thin, brittle and strongly magnetic. Handle carefully, avoid excessive mechanical stress and verify its suitability before permanent installation or use in critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046465156,"sku":"R-OD19.4H1.65ID10-N38H","price":7.99,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od19.4h1.65id10-n38h.png?v=1752624829"},{"product_id":"neodymium-ring-magnet-od25-x-h10-x-id10-mm-n35","title":"Neodymium Ring Magnet Australia OD25 x H10 x ID10 mm","description":"\u003ch1\u003e\u003cspan\u003eNeodymium Ring Magnet Australia – OD25mm x H10mm x ID10mm\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Ring Magnet – 25mm OD x 10mm H x 10mm ID\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a powerful \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erare earth permanent magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e featuring a convenient central hole for mounting, positioning and custom assembly applications. Manufactured from high-performance \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eneodymium iron boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this ring magnet combines strong magnetic attraction with a compact and versatile circular design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMeasuring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25mm outside diameter (OD), 10mm high and 10mm inside diameter (ID)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this neodymium ring magnet is suitable for industrial, commercial, engineering and DIY applications requiring a strong magnet with a straight central hole. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10mm centre hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e can accommodate suitable rods, shafts, fasteners or other components, depending on the application, and also provides a convenient feature for incorporating the magnet into custom assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRing magnets are widely used in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emagnetic holding systems, sensors, mechanical assemblies, manufacturing equipment, prototypes, experiments and product development\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Their annular shape allows components to pass through the centre while maintaining a substantial magnetic surface area around the hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003ePowerful \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eneodymium rare earth ring magnet\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eOutside Diameter (OD): 25mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eHeight \/ Thickness: 10mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eInside Diameter (ID): 10mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStraight central through-hole\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact, high-strength permanent magnet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent magnetic strength-to-size ratio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for mounting around shafts, rods and suitable fasteners\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVersatile design for industrial and engineering assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for commercial, manufacturing, workshop and DIY applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMagnetic holding and retention systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngineering assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensors and detection equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRobotics and automation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct manufacturing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMagnetic couplings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrototype development\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eScientific experiments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical positioning systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom magnetic assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Choose a Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium magnets\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are among the strongest commercially available permanent magnets, providing considerably more magnetic strength for their size than conventional ferrite magnets. This makes them particularly useful when strong magnetic performance is required within a compact assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25mm OD x 10mm H x 10mm ID\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ring configuration combines a substantial magnetic body with a practical central opening. Unlike a solid disc magnet, the through-hole allows a shaft, rod or other component to pass directly through the centre of the magnet, providing additional design flexibility for engineering and manufacturing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis ring-shaped design can also be incorporated into custom fixtures, magnetic couplings, sensors and positioning systems where a central opening is required without sacrificing the benefits of a powerful rare earth magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium Ring Magnet\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eShape:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ring \/ Annular\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOutside Diameter (OD):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInside Diameter (ID):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeight \/ Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHole Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Straight through-hole\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMagnet Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Permanent Rare Earth Magnet\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Holding, mounting, positioning, sensing, manufacturing and engineering assemblies\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eNeodymium Ring Magnets in Australia\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25mm neodymium ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is suitable for Australian businesses, manufacturers, engineers, tradespeople, workshops, educational institutions and DIY users looking for a compact \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erare earth ring magnet with a 10mm centre hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Its combination of strong magnetic performance and practical dimensions makes it a versatile component for both one-off projects and ongoing production requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNeodymium magnets are extremely powerful for their size and should be handled carefully. Strong attraction between magnets or ferrous objects can create pinch hazards and may cause the magnet to chip or crack if allowed to collide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eActual magnetic holding performance depends on factors including the mating material, steel thickness, surface condition, contact area, air gap and direction of force. Paint, coatings, gaps and sideways or peeling forces can significantly reduce effective holding strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNeodymium magnets are hard but brittle. Do not drill, cut or machine the magnet. If permanent installation is required, select an appropriate mounting or adhesive method for the materials and operating conditions involved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeep strong magnets away from children, pacemakers, medical implants, magnetic storage media and sensitive electronic equipment.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046694532,"sku":"R-OD25H10ID10-N35","price":22.49,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od25h10id10-n35.png?v=1752624817"},{"product_id":"neodymium-ring-magnet-od5-x-h2-x-id2-mm-n45","title":"Neodymium Ring Magnet OD5mm x H2mm | Hole 2mm N45","description":"\u003ch2\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003eOutside Diameter: 5mm (0.197\" in.)\u003cbr\u003eHeight: 2mm (0.0787\" in.)\u003cbr\u003eInside Diameter: 2mm (0.0787\" in.\u003cbr\u003eGrade: N45\u003cbr\u003eCoating: Nickel (Ni)\u003cbr\u003eMagnetized Direction: Through height - 2mm\u003c\/p\u003e\r\n\u003ch3\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003eThe neodymium magnetic ring, also known as a rare earth ring magnet, has an outer diameter of 5mm, a height of 2mm and an inner diameter of 2mm. With grades ranging from N30 to N50, this N45 ring is a strong magnet ring with a strong magnetic force.\u003c\/p\u003e\r\n\u003cp\u003eNeodymium magnetic material offers the highest magnetic strength compared with other permanent magnetic materials. They have a wide range of uses. Because this tiny ring-shaped magnet is very strong for its size and weight, it can be integrated into small products to utilise the magnetic properties. The magnets can activate switches and circuitry as they interact with electromagnetic fields.\u003c\/p\u003e\r\n\u003cp\u003eOther uses include two of these small permanent magnets being used to create a magnetic bond between two surfaces. This would avoid the use of conventional attachment methods such as clips, pins or glue.\u003c\/p\u003e\r\n\u003cp\u003eThe rings can be used as magnetic folder closures for hobbyist scrapbooking or with commercial brochure manufacturers which are increasing in popularity. Jewellers and costume designers also find magnetic hold a practical and inexpensive option for their creations.\u003c\/p\u003e\r\n\u003cp\u003eThe ring shape of this magnet makes it easy to be attached to items using thread or wire. This is particularly handy and useful for those using them for crafting purposes.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046760068,"sku":"R-OD5H2ID2-N45","price":0.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od5h2id2-n45.jpg?v=1752624814"},{"product_id":"neodymium-ring-magnet-od5-x-h4-x-id2-5-mm-n42uh-diametrical-magnetized","title":"Neodymium Ring Magnet OD5mm x H4mm | Hole 2.5mm | N42UH | High Temperature ≤180ºC | Diametrically magnetized","description":"\u003cp data-start=\"206\" data-end=\"588\"\u003eThis Neodymium Ring Magnet has an outer diameter of 5mm, inner diameter of 2.5mm, and height of 4mm, delivering high magnetic strength in a compact form. Manufactured from premium N42UH grade neodymium, this ring magnet is engineered for high temperature resistance up to 180°C, making it ideal for demanding applications where consistent performance is essential.\u003c\/p\u003e\n\u003cp data-start=\"206\" data-end=\"588\"\u003eThis magnet is identified by product code 23023A.\u003c\/p\u003e\n\u003cp data-start=\"590\" data-end=\"941\"\u003eUnlike standard axially magnetised rings, this magnet is diametrically magnetised, meaning the north and south poles are located on opposite curved sides. This unique magnetisation pattern makes it highly suitable for rotor assemblies, sensing devices, couplings, and specialised engineering projects that require rotational magnetic fields.\u003c\/p\u003e\n\u003ch4 data-start=\"948\" data-end=\"966\"\u003eKey Features:\u003c\/h4\u003e\n\u003cp data-start=\"969\" data-end=\"1018\"\u003eDimensions: 5mm (OD) x 2.5mm (ID) x 4mm (H)\u003c\/p\u003e\n\u003cp data-start=\"1021\" data-end=\"1101\"\u003eGrade: N42UH Neodymium – high strength with elevated temperature stability\u003c\/p\u003e\n\u003cp data-start=\"1104\" data-end=\"1163\"\u003eDiametrically magnetised for specialised applications\u003c\/p\u003e\n\u003cp data-start=\"1166\" data-end=\"1207\"\u003eTemperature Resistance: Up to 180°C\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1257\"\u003eCompact size with powerful magnetic field\u003c\/p\u003e\n\u003ch4 data-start=\"1264\" data-end=\"1282\"\u003eApplications:\u003c\/h4\u003e\n\u003cp data-start=\"1285\" data-end=\"1366\"\u003eElectric Motors \u0026amp; Generators – effective in rotor and stator configurations.\u003c\/p\u003e\n\u003cp data-start=\"1369\" data-end=\"1455\"\u003eSensors \u0026amp; Encoders – precise diametrical polarity for advanced detection systems.\u003c\/p\u003e\n\u003cp data-start=\"1458\" data-end=\"1529\"\u003eMagnetic Couplings – efficient torque transfer in confined spaces.\u003c\/p\u003e\n\u003cp data-start=\"1532\" data-end=\"1626\"\u003eEngineering Prototyping – custom builds requiring high strength at elevated temperatures.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296046792836,"sku":"23023A","price":2.01,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/R-OD5H4ID2.5-N42UH-SM_72b47ec2-cc5a-4495-9d15-3a9a712574c4.png?v=1781863849"},{"product_id":"neodymium-countersunk-ring-magnet-od22-5-x-h3-x-id4-mm-n45","title":"Neodymium Countersunk Ring Magnet OD22.5mm x H3mm | C\/sunk Hole 4mm N45","description":"\u003cp\u003eThis Countersunk Neodymium Magnet has an outside diameter of 22.5 mm, an inner diameter of 4mm, a thickness of 3mm and a 90 degree countersunk shaft. This Nickel plated Rare Earth countersunk ring has a powerful N45 grade and a pull force of 4.42kgs.\u003c\/p\u003e\r\n\u003cp\u003eThe countersunk hole allows straightforward attachment to almost any material such as wood, plastic and masonry, to name just a few. Simple to attach with a flat head screw, the tapering screw head sits flush inside the countersunk magnet for seamless professional finish. These magnets can also be recessed into timber or plastic and secured with a countersunk screw for a permanent result without the need to use messy glue. Glue can perish or discolour with age however screws stay true, making them the ultimate fixing solution.\u003c\/p\u003e\r\n\u003cp\u003eCountersunk magnets are very popular with Tradespeople and Fabricators because of their range and versatility. Adaptable and reliable, they are an essential instrument, always in stock in every tradie’s toolbox.\u003c\/p\u003e\r\n\u003cp\u003eThese are fantastic for DIY door latches, simply recess the countersunk magnet into your door frame and attach a metal strip or strike plate to the door. Countersunk magnets are useful for a whole range applications, remediating an assortment of issues around the garage, home or worksite.\u003c\/p\u003e\r\n\u003cp\u003eRare Earth Neodymium magnets are the strongest permanent magnets commercially available and are the ideal magnet if you require maximum magnetic strength. They are many times stronger than traditional magnets and come in a huge range of sizes, shapes and grades. Rare Earth magnets are magnetically stable and have a strong resistance to demagnetization however they are not suitable for use in high temperature applications.\u003c\/p\u003e\r\n\u003cp\u003eDue to their greater strength to size ratio, Neodymium magnets have now replaced Alnicos and Ferrites in many engineering and mechanical industries. Being smaller and lighter than traditional magnets they are ideal for applications such as, bearings, speakers and headphones, hard disks, wind turbines and electric cars to name just a few.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296048234628,"sku":"R-OD22.5H3ID4(90deg)-N45","price":8.22,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od22.5h3id4_90deg_-n45.jpg?v=1752624780"},{"product_id":"neodymium-ring-magnet-od12-7-x-h3-175-x-id3-175-mm-n45","title":"Neodymium Ring Magnet OD12.7mm x H3.175mm | Hole 3.175mm N45","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – 12.7mm OD x 3.175mm ID x 3.175mm H | N45 Rare Earth Magnet\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 12.7mm Outside Diameter x 3.175mm Inside Diameter x 3.175mm Height | N45\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-strength Rare Earth magnet designed for precision engineering, magnetic assemblies, electronics, product development, manufacturing and DIY applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45-grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this permanent ring magnet offers high magnetic energy density in a small, practical form.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoutside diameter of 12.7mm (½ inch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecentral hole diameter of 3.175mm (⅛ inch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eheight of 3.175mm (⅛ inch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnet combines a compact circular profile with a convenient central opening for compatible mounting and assembly applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring-shaped design makes this magnet particularly useful where a central clearance hole is required for a shaft, pin, rod, locating component or other suitable assembly feature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45 magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides strong magnetic performance relative to the magnet's size, making it suitable for applications where space is limited but magnetic attraction is important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are among the strongest commercially available permanent magnet materials and are widely used across engineering, electronics, manufacturing, research and consumer product applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional Ferrite magnets, N45 Neodymium magnets provide significantly higher magnetic energy density, allowing compact components to deliver substantial magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm outside diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers a practical mounting footprint, while the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm central hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides an opening that may be incorporated into custom fixtures, magnetic mechanisms and precision assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e gives it a relatively low-profile construction suitable for compact designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRing magnets are commonly used in magnetic couplings, sensor assemblies, small mechanisms, product prototypes, magnetic closures and specialised industrial equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey may also be incorporated into educational demonstrations, research projects and custom magnetic devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole can simplify alignment within a mechanical assembly, although the magnet should not be subjected to excessive clamping pressure or mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are brittle by nature and may crack or chip if drilled, struck, overtightened or allowed to collide forcefully.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45 grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e identifies the magnet's material performance classification rather than a guaranteed pull-force rating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic holding strength depends on the magnetisation direction, receiving steel, contact area, air gaps, surface coatings and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specific magnetisation direction, pull force, surface Gauss, protective coating and maximum operating temperature have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese characteristics should be confirmed before use in applications requiring precise magnetic field orientation or verified holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm Neodymium ring magnet, ½-inch Rare Earth ring magnet, N45 ring magnet, small Neodymium washer magnet, 12.7mm OD magnetic ring or ⅛-inch hole Neodymium magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product offers a versatile magnetic component for technical and general-purpose applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're designing a compact magnetic assembly, developing a prototype, creating a magnetic closure or incorporating a ring magnet into precision equipment, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 12.7mm OD x 3.175mm ID x 3.175mm H | N45\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a compact permanent magnetic solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN45 Neodymium Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-strength Rare Earth magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm Outside Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact ½-inch circular profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm Central Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nominal ⅛-inch opening for compatible assembly components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low-profile ⅛-inch thickness.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRing-Shaped Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for applications requiring central clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Magnetic Energy Density:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strong magnetic properties relative to size.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetism:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for space-restricted designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Assembly Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for compatible shafts, pins and locating components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngineering Versatility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for magnetic mechanisms and custom assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronics Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Relevant to appropriately designed electronic and sensor systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrototyping Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for product development and magnetic experiments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCustom Mounting Potential:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central opening can assist with positioning and alignment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReusable Magnetic Component:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides permanent magnetic properties when handled correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate the ring magnet into compact mechanical assemblies requiring a central opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Couplings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in appropriately designed magnetic coupling systems where the magnetisation pattern and magnetic circuit are suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSensor Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIntegrate into compatible magnetic sensing systems after confirming the required field orientation and strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eElectronics and Devices\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in specialised electronic assemblies where compact permanent magnets are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Closures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDevelop small magnetic fastening and closure systems for suitable products.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Prototyping\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTest magnetic concepts during research, design and product development.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eModel Making\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in detailed models and miniature assemblies requiring compact magnetic components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Positioning\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into custom positioning or alignment systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEducational Experiments\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDemonstrate permanent magnetism and magnetic attraction under appropriate supervision.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom DIY Projects\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCreate specialised magnetic fixtures, mechanisms and small assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose an N45 Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eHigh Magnetic Energy Density\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45 Neodymium provides strong magnetic properties in a compact form.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient Central Hole\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 3.175mm opening offers useful assembly and positioning possibilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact 12.7mm Diameter\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for applications with limited available space.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLow-Profile 3.175mm Height\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe relatively thin construction allows integration into compact designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo batteries or external electrical power are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVersatile Engineering Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful across product development, electronics, manufacturing and custom magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Category\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRare Earth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN45\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing \/ Annular Disc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutside Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12.7mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInside Diameter (ID)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.175mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.175mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.175mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Outside Diameter in Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e½ inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Hole Diameter in Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e⅛ inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Height in Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e⅛ inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Radial Wall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.7625mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Annular Face Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 118.8mm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Material Volume\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 377.3mm³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEstimated Magnet Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2.83g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProtective Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturing Tolerance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEngineering, Electronics, Prototyping and Magnetic Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eEstimated weight is calculated using a representative NdFeB density of 7.5g\/cm³ and is not a measured product specification.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Ring Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOutside Diameter – 12.7mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet has a nominal outside diameter of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, equivalent to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e½ inch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis measurement represents the overall width across the circular magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eInside Diameter – 3.175mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole has a nominal diameter of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, equivalent to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e⅛ inch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe hole provides clearance for compatible mounting or positioning components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHeight – 3.175mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet has a nominal height of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, equivalent to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e⅛ inch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRadial Wall Thickness\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal radial wall thickness is calculated as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e(12.7mm − 3.175mm) ÷ 2 = 4.7625mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis represents the material between the central hole and outside edge on each side.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAnnular Face Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal annular face area is approximately:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e118.8mm²\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the area of one flat ring face, excluding the central hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaterial Volume\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal magnet material volume is approximately:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e377.3mm³\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, equivalent to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.3773cm³\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEstimated Weight\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUsing a representative Neodymium magnet density of 7.5g\/cm³, the estimated weight is approximately:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2.83 grams\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual weight may vary due to manufacturing tolerances, material composition and coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is an N45 Neodymium Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAn \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45 Neodymium magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a permanent Rare Earth magnet manufactured from Neodymium Iron Boron material with an N45 magnetic grade classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe N45 grade indicates a maximum energy product generally in the range of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e43–46 MGOe\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, depending on the applicable material specification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis classification describes the magnetic material's energy capability rather than the finished magnet's direct pull force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eN45 magnets are commonly used in engineering, electronics, manufacturing and other applications requiring compact magnetic components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is a Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a permanent magnet with a circular outside profile and a central opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring geometry can accommodate compatible shafts, pins, rods or locating features.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRing magnets are commonly used in magnetic couplings, sensors, mechanical assemblies, motors and specialised equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTheir performance depends on the magnetisation direction, magnetic grade, geometry and surrounding magnetic circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does an N45 Ring Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Neodymium material generates a permanent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the magnetisation direction, the north and south poles may be positioned on the flat faces, around the circumference or in another specified configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor an axially magnetised ring magnet, the poles are located on opposite flat faces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor a diametrically magnetised ring magnet, the poles are positioned across the diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOther magnetisation arrangements may also be possible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe magnetisation direction of this particular product has not been specified and should be confirmed before use in directional magnetic assemblies.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding Magnetisation Direction\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eAxial Magnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMagnetised through the height, with poles on opposite flat faces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDiametric Magnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMagnetised across the diameter, with poles positioned on opposite sides of the ring.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRadial Magnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMagnetised through the radial direction in a specialised configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Magnetisation Matters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMagnetisation direction determines the magnetic field distribution and influences suitability for sensors, couplings, motors and other assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not assume a particular magnetisation direction without confirmation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of N45 Neodymium Ring Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh magnetic energy density in a small component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCentral Mounting Clearance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe hole can accommodate compatible assembly features.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Field\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEngineering Flexibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for a variety of technical designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful in compact mechanisms and specialised equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReusable Magnetic Component\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCan be incorporated into assemblies requiring permanent magnetic properties.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eN45 vs Other Neodymium Grades\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eGrade\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eApproximate Maximum Energy Product\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN35\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e33–36 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN38\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e36–39 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN42\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40–43 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eN45\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e43–46 MGOe\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN48\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e46–49 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN50\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48–51 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN52\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50–53 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eHigher grades generally provide greater maximum magnetic energy density, but the finished magnet's pull force also depends on geometry, magnetisation and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRing Magnets vs Disc Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eRing Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSolid Disc Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCircular with Central Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSolid Circular Disc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Opening\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShaft or Pin Clearance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePossible\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Inherent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial Volume at Same OD and Height\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLower\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigher\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Possibilities\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Alignment Features\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdhesive or External Retention\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCouplings, Sensors, Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClosures, Fixtures, General Holding\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eThe best choice depends on the required geometry, magnetic field and mounting arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install or Use the N45 Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm the Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check the 12.7mm OD, 3.175mm hole and 3.175mm height.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVerify Magnetisation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the required magnetic pole orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for chips, cracks or coating damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure all components are clean and correctly aligned.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Hole Clearance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm compatibility with the intended pin, shaft or locating component.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Excessive Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not overtighten or mechanically stress the brittle magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePosition Carefully:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prevent sudden collisions with steel or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUse Suitable Retention:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Select an appropriate adhesive, housing or mechanical arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Magnetic Alignment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnetic field suits the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest the Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify holding performance and mechanical stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect Regularly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for damage or movement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProtect from Excessive Heat:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Avoid temperatures beyond the verified operating limit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Holding Strength\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45 identifies the magnetic material's energy classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe pole orientation influences the magnetic field and attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Steel\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel composition, thickness and geometry affect holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEven small gaps can significantly reduce magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eContact Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe effective contact area influences holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSurface Coatings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePaint, plating and other layers can create additional separation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDirect pull and sideways sliding loads behave differently.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eExcessive heat can reduce Neodymium magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Damage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCracks, chips or coating damage may affect performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to avoid chipping or cracking.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrevent sudden collisions with other magnets or steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid drilling or machining the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not apply excessive clamping pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from excessive heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtect the magnet from moisture where coating suitability is unknown.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore away from magnetically sensitive equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep the central hole free from debris.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect for damage before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse suitable assembly methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid strong opposing magnetic fields.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify performance before demanding applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Attraction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets may crack or chip under impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers clear when magnets approach steel or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSwallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause life-threatening injuries if swallowed. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers and magnetically sensitive implanted medical devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with certain electronic devices and sensors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Stress:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Avoid excessive pressure around the central hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Limitations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCorrosion Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The protective coating has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent engineering assessment and testing are required before use where failure could cause injury or damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat are the dimensions of this Neodymium ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm outside diameter x 3.175mm inside diameter x 3.175mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45 grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat material is it made from?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from Neodymium Iron Boron (NdFeB).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Rare Earth magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium is a Rare Earth magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the outside diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe outside diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm (½ inch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the hole diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm (⅛ inch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the magnet thickness?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe height is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.175mm (⅛ inch)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the radial wall thickness?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal radial wall thickness is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.7625mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the estimated weight?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eApproximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2.83g\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, calculated using representative NdFeB density.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet axially magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs it diametrically magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA pull-force rating has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe surface Gauss rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does it have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe protective coating has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N45 a strong magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. N45 is a high-energy Neodymium grade suitable for compact permanent magnet applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N45 stronger than N35?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45 generally has a higher maximum energy product than N35, although actual holding performance depends on the magnet design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N52 stronger than N45?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN52 generally has a higher maximum energy product, but the finished magnet's performance depends on geometry and application conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use the central hole for mounting?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, provided the mounting method does not apply excessive stress to the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use a screw through the hole?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA compatible screw or fastener may fit, but the magnet should not be directly overtightened or subjected to concentrated mechanical pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it in a sensor assembly?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, after confirming the magnetisation direction and magnetic field requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for a magnetic coupling?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, depending on the magnetic circuit and mechanical design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for electronics?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, in appropriately designed applications where magnetic interference is considered.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for model making?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Its compact size makes it suitable for compatible model-making projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It attracts suitable ferromagnetic steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract aluminium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Aluminium is not ferromagnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract stainless steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly if the stainless steel grade is sufficiently magnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I drill the magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets are brittle and should not be drilled or machined.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet suitable for children?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSmall powerful magnets can be hazardous and should be kept away from children.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for safety-critical applications?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly after appropriate engineering verification, testing and compliance assessment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN45 Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSmall Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Cylinder Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Coupling Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Sensor Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision Magnetic Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 12.7mm OD x 3.175mm ID x 3.175mm H | N45\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact Rare Earth permanent magnet designed for engineering, electronics, prototyping and custom magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm outside diameter, 3.175mm central hole diameter and 3.175mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45-grade Neodymium Iron Boron\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specific magnetisation direction, pull force, surface Gauss, protective coating, maximum operating temperature and manufacturing tolerance have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on magnetisation, receiving steel, air gaps, contact area and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle by nature and must be handled carefully. Avoid impact, excessive clamping pressure and direct machining. Independent testing is required before use in safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296053837956,"sku":"R-OD12.7H3.175ID3.175-N45","price":6.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od12.7h3.175id3.175-n45.png?v=1752624587"},{"product_id":"neodymium-ring-magnet-od5-x-h4-x-id2-5-mm-n52","title":"Neodymium Ring Magnet OD5mm x H4mm | Hole 2.5mm N52","description":"\u003cp\u003e\u003cb\u003eNeodymium Ring Magnets\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eCircular Neodymium ring magnets are very versatile magnets and are a popular shape with Frenergy customers. This ring magnet is also made from the strongest N52 Grade rare earth material which gives it unmatched holding power for a magnet of this size. The central hole in the ring has an inside diameter of 2.5mm and is ideal for temporarily affixing the ring to another surface with wire, string, a nail or screw. Sewing the ring magnet onto clothing or garments is another practical attachment option that is not available when using solid disc or block shaped magnets. Lightweight holding requirements are easily performed by these small and incredibly strong Neodymium ring magnets. This makes them ideal for holding and attachment roles in both complex audio visual and communication devices as well as simple, home based hobby projects. Ring shaped magnets can be held in position by placement over a pin, lug or shaft which means correct alignment of the ring magnet can be achieved inside these products without the need for fasteners of any kind. Simplified operating systems lead to increased reliability and this is one of the many benefits of the magnetically operated warning and sensor devices that are widely found in security alarms and vehicle safety systems.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296055181444,"sku":"R-OD5H4ID2.5-N52","price":1.41,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od5h4id2.5-n52.png?v=1752624548"},{"product_id":"neodymium-ring-magnet-od12-x-h5-x-id2-mm-n35","title":"Neodymium Ring Magnet OD12mm x H5mm | Hole 2mm N35","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – 12mm OD x 2mm ID x 5mm H | N35 Rare Earth Magnet\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 12mm Outer Diameter x 2mm Inner Diameter x 5mm Height | N35\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-strength Rare Earth permanent magnet featuring a circular ring design with a small central through-hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN35-grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this versatile magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12mm in outer diameter, 2mm in inner diameter and 5mm in height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing reliable permanent magnetic properties in a practical cylindrical ring configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12mm outer diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers a compact circular profile, while the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm central hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows compatible pins, shafts, rods or other small components to pass through the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a relatively substantial magnetic body compared with thinner ring magnets, making it suitable for compact engineering assemblies, magnetic mechanisms and specialised components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN35 magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers high magnetic energy density compared with conventional Ferrite magnets, making it a practical choice for applications requiring strong magnetic properties within a limited space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are among the strongest commercially available permanent magnetic materials and are widely used in engineering, manufacturing, electronics, magnetic sensing systems and product development.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring-shaped design allows the magnet to be incorporated into assemblies where a central opening is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes it particularly useful for miniature shafts, alignment pins, magnetic positioning systems, custom fixtures and precision mechanical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike countersunk ring magnets, this product features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estraight 2mm central hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with no countersink specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening may accommodate suitable mounting components, although the magnet itself should not be subjected to excessive fastening pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are brittle by nature and can chip or crack when exposed to impact, excessive mechanical stress or uncontrolled collisions with other magnets and ferromagnetic materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet may be installed within a suitable housing, retained using an engineered mounting arrangement or bonded to a compatible surface using an appropriate adhesive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe actual magnetic holding force depends on the magnetisation direction, receiving steel thickness, contact area, air gaps, surface coatings and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough the N35 grade identifies the magnetic material's energy classification, it does not establish the finished magnet's pull-force rating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specific pull force, surface Gauss, magnetisation direction, protective coating and maximum operating temperature have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese characteristics should be verified before using the magnet in applications requiring a particular magnetic field orientation, environmental resistance or guaranteed holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDue to its small size, this magnet presents a serious swallowing hazard and must be kept away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12mm Neodymium ring magnet, 12x2x5mm Rare Earth magnet, N35 circular magnet with hole, miniature annular magnet, 12mm OD ring magnet or cylindrical Neodymium magnet with 2mm hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product offers a versatile solution for compact magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're designing a miniature magnetic mechanism, developing a precision fixture, manufacturing a specialised component or creating a custom magnetic mounting system, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 12mm OD x 2mm ID x 5mm H | N35\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides permanent magnetic performance in a compact annular design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN35 Neodymium Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-strength Rare Earth magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e12mm Outer Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact circular magnetic profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2mm Inner Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small central through-hole for compatible components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5mm Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Substantial cylindrical ring construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-energy permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRing-Shaped Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allows suitable pins, rods or shafts to pass through the centre.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Magnetic Energy Density:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strong magnetic properties relative to size.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetism:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No batteries or electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStraight Central Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for custom mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for miniature mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Engineering Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for specialised components and fixtures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnetic Sensor Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Relevant to compatible sensing systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCustom Mounting Potential:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Can be incorporated into suitable housings or bonded assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Technical Component:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Relevant to manufacturing, research and product development.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMiniature Magnetic Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate the ring magnet into compact mechanical systems requiring a central opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIntegrate into specialised components where a small ring-shaped permanent magnet is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Positioning Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDevelop miniature magnetic alignment and positioning mechanisms.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Sensors\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in compatible sensing systems after confirming the required magnetisation direction and magnetic field characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSmall Shaft Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into suitable mechanisms involving miniature shafts, pins or rods.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eElectronics and Devices\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in appropriately designed electronic assemblies where magnetic interference has been considered.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manufacturing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIntegrate into custom products requiring compact annular magnetic components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLaboratory Prototyping\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTest magnetic circuit designs and component configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eModel Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into specialised models and precision miniature assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Magnetic Fixtures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCreate small magnetic holding and locating systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose a 12mm x 2mm x 5mm N35 Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eSmall Central Hole\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 2mm inner diameter provides clearance for compatible miniature mounting components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact 12mm Outer Diameter\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for small housings and precision assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePractical 5mm Height\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eProvides a substantial magnetic body compared with thinner ring magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eN35 Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOffers high magnetic energy density compared with conventional Ferrite materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Field\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVersatile Annular Geometry\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for a wide range of technical and custom magnetic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Category\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRare Earth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN35\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing \/ Annular\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInner Diameter (ID)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHole Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStraight Through-Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Radial Ring Width\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Annular Face Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 109.96mm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Material Volume\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 549.78mm³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEstimated Magnet Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 4.12g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProtective Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturing Tolerance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePrecision Engineering, Magnetic Assemblies, Sensors and Custom Fixtures\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eEstimated weight is calculated using a representative NdFeB density of 7.5g\/cm³ and is not a measured product specification.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOuter Diameter – 12mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet has an overall outside diameter of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, measured across the widest point of the circular body.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eInner Diameter – 2mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm in diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing compatible miniature pins, rods or mounting components to pass through the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHeight – 5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5mm high\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, creating a compact cylindrical magnetic body.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRadial Ring Width\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe radial width of the magnetic material between the inner and outer edges is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e(12mm − 2mm) ÷ 2 = 5mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAnnular Face Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal area of one flat ring face is calculated by subtracting the central hole area from the outer circular area:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eπ × (6² − 1²) = approximately 109.96mm²\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaterial Volume\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal magnetic material volume is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e109.96mm² × 5mm = approximately 549.78mm³\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEquivalent to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.54978cm³\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEstimated Weight\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUsing a representative Neodymium magnet density of 7.5g\/cm³:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e0.54978cm³ × 7.5g\/cm³ = approximately 4.12 grams\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual weight may vary due to manufacturing tolerances, material composition and coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is an N35 Neodymium Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAn \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN35 Neodymium magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a permanent Rare Earth magnet manufactured from Neodymium Iron Boron material with an N35 magnetic grade classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe N35 grade generally corresponds to a maximum energy product of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e33–36 MGOe\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, depending on the applicable material specification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis classification describes the magnetic material's energy capability rather than the finished magnet's direct pull force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eN35 magnets are commonly used in applications requiring compact, reliable magnetic components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is a Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a circular permanent magnet with a central hole extending through its thickness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRing magnets are also known as annular magnets or magnetic rings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening makes them suitable for applications involving shafts, pins, mounting components, spacers and custom magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey are commonly used in engineering, manufacturing, magnetic sensing systems, fixtures and research applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTheir performance depends on magnetic grade, magnetisation direction, geometry and the surrounding magnetic circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a Neodymium Ring Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Iron Boron material produces a permanent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the magnetisation direction, the magnetic poles may be positioned on opposing flat ring faces, across the diameter or in another specified configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor an axially magnetised ring magnet, the north and south poles are located on opposite flat annular faces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor a diametrically magnetised ring magnet, the poles are positioned across the diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe magnetisation direction of this particular product has not been specified and should be confirmed before use in applications requiring a defined magnetic field orientation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding Magnetisation Direction\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eAxial Magnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is magnetised through its 5mm height, with poles on opposing flat ring faces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDiametric Magnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is magnetised across its diameter, with poles positioned on opposite sides of the ring.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Magnetisation Matters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMagnetisation direction determines the magnetic field distribution and influences suitability for magnetic couplings, sensors, fixtures and custom assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not assume a particular pole arrangement without confirmation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of N35 Neodymium Ring Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh magnetic energy density in a small annular component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCentral Mounting Opening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 2mm hole accommodates compatible miniature mechanical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePractical Cylindrical Height\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 5mm height is useful for compact mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Field\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVersatile Engineering Geometry\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring design suits a wide range of technical applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Assembly Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for incorporation into appropriately engineered magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eN35 vs Other Neodymium Grades\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eGrade\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eApproximate Maximum Energy Product\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eN35\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e33–36 MGOe\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN38\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e36–39 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN42\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40–43 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN45\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e43–46 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN48\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e46–49 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN50\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48–51 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eN52\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50–53 MGOe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eHigher magnetic grades generally offer greater maximum magnetic energy density, but actual holding strength also depends on the magnet's dimensions, magnetisation direction and application conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRing Magnets vs Disc Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eRing Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDisc Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCircular with Central Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSolid Circular\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Opening\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Options\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCan Accommodate Compatible Components Through Centre\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRequires Alternative Mounting\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material Volume\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReduced by Central Opening\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull Circular Volume\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShafts, Fixtures, Custom Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClosures, Displays, General Holding\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Performance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Grade and Geometry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Grade and Geometry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eA ring magnet is often preferred where a central opening is essential to the mechanical design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install or Use the N35 Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm the Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check the 12mm outer diameter, 2mm hole diameter and 5mm height.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVerify Magnetisation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnetic pole orientation required for the application.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for cracks, chips or coating damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the receiving components are clean and correctly aligned.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Hole Clearance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the shaft or mounting component fits without excessive force.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect a Suitable Mounting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use an appropriate housing, adhesive or engineered retaining arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Excessive Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not overtighten fixings or apply concentrated mechanical loads to the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePosition Carefully:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prevent uncontrolled contact with steel or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Alignment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnet is positioned correctly within the assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify magnetic holding strength and mechanical stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect Regularly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for movement, corrosion or physical damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHandle Safely:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep small powerful magnets away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Holding Strength\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN35 identifies the magnetic material's energy classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe pole orientation influences the magnetic field and holding characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Steel\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel thickness, composition and geometry affect magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEven small gaps between the magnet and receiving material can reduce holding strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eContact Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe available magnetic contact area influences performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCentral Hole\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 2mm opening reduces the magnetic material volume compared with a solid disc of the same outside dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSurface Coatings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePaint, plating and other layers may introduce additional separation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDirect pull and sideways sliding loads produce different holding characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eExcessive heat can permanently reduce magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Damage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChips, cracks or coating damage may affect reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to prevent chipping or cracking.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid uncontrolled collisions with steel or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not drill or machine the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not overtighten mounting hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid applying concentrated pressure around the central hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtect from excessive heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep dry where corrosion resistance has not been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore away from magnetically sensitive equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect for cracks or coating damage before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse suitable housings and mounting methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify performance before demanding applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Attraction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets may chip, crack or shatter under impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers clear when magnets approach steel or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSerious Swallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause life-threatening internal injuries if swallowed, particularly if multiple magnets are ingested. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers and magnetically sensitive implanted medical devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with sensitive electronics, sensors and equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Stress:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not use the central hole as a means of applying excessive fastening pressure directly to the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Limitations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCorrosion Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The protective coating has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent engineering assessment and testing are required before use where failure could cause injury or damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat are the dimensions of this Neodymium ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12mm outer diameter, 2mm inner diameter and 5mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN35 grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat material is it made from?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from Neodymium Iron Boron (NdFeB).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Rare Earth magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium is a Rare Earth magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the outer diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe outer diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the hole diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the height?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5mm high\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the estimated weight?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eApproximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.12g\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, calculated using representative NdFeB density.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet axially magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs it diametrically magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA pull-force rating has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe surface Gauss rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does it have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe protective coating has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N35 a strong magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. N35 is a Neodymium Rare Earth grade with high magnetic energy density compared with conventional Ferrite materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N35 weaker than N42?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN35 generally has a lower maximum energy product than N42, although actual holding performance depends on magnet design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N52 stronger than N35?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN52 generally has a higher maximum energy product, but the finished magnet's performance depends on geometry and application conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use the hole for mounting?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, the central opening can accommodate compatible mounting components, provided the assembly does not apply damaging pressure to the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the hole countersunk?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo countersink has been specified. The product is described as having a straight 2mm central hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it with a small shaft?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, provided the shaft dimensions and mounting arrangement are suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for magnetic sensors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, in compatible applications after confirming the magnetisation direction and magnetic field characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for precision engineering?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Its compact ring geometry makes it suitable for specialised magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It attracts suitable ferromagnetic steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract aluminium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Aluminium is not ferromagnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract stainless steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly if the stainless steel grade is sufficiently magnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I glue the magnet into a recess?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, potentially, using an adhesive compatible with the magnet's coating and receiving material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I drill the magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets are brittle and should not be drilled or machined.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet suitable for children?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. This small powerful magnet presents a serious swallowing hazard and must be kept away from children.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for safety-critical applications?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly after appropriate engineering verification, testing and compliance assessment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN35 Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMiniature Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Cylinder Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Sensor Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision Magnetic Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 12mm OD x 2mm ID x 5mm H | N35\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact Rare Earth permanent magnet designed for precision engineering, magnetic assemblies, sensors and custom mounting applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12mm in outer diameter, 2mm in inner diameter and 5mm in height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN35-grade Neodymium Iron Boron\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estraight 2mm central through-hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe estimated weight is approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.12g\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, calculated using representative NdFeB density. This is not a verified product weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specific magnetisation direction, pull force, surface Gauss, protective coating, maximum operating temperature and manufacturing tolerance have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on magnetisation, receiving steel, air gaps, contact area and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle by nature and must be handled carefully. This small powerful magnet presents a serious swallowing hazard and must be kept away from children and pets. Avoid impact, excessive mechanical pressure and direct machining. Independent testing is required before use in safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296060489860,"sku":"R-OD12H5ID2-N35","price":6.33,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od12h5id2-n35.png?v=1752624339"},{"product_id":"neodymium-ring-magnet-od15-x-h3-x-id9-mm-n35","title":"Neodymium Ring Magnet OD15mm x H3mm | Hole 9mm N35","description":"\u003cp\u003e\u003cstrong\u003eNeodymium Ring Magnets\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStrong Neodymium Ring magnets placed on each side of an opening with the opposing North and South poles facing each other is one of many methods of creating a magnetic closure system for such things as fashion items, storage bins, cabinets and any other situation where mechanical closure methods are visually unsuitable or otherwise inappropriate. Unlike solid Block or Disc shaped permanent magnets, Ring magnets are easily held in position with some form of round lug, shaft or pin that has the corresponding diameter to the central hole (ID) of the Ring magnet. In other circumstances, two Ring magnets with opposing poles may be attached to each side of an opening with wire, string, cord or a similar material. This method is fast, simple and especially convenient for occasional use or isolated outdoor holding applications. Single ring magnets can also be used to bond with ferrous surfaces around the workplace or, as another option, a metal washer can be easily attached to non-ferromagnetic surfaces such as timber fencing or sheds, to create a ferrous attachment point for the magnet. Farmers, maintenance workers and many tradespeople find this type of magnetic attachment extremely practical and also offers considerable time saving benefits when performing their daily work schedule.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296060522628,"sku":"R-OD15H3ID9-N35","price":6.61,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od15h3id9-n35.png?v=1752624337"},{"product_id":"smco-countersunk-magnet-d20mm-x-10mm-yxg28-s","title":"SmCo Ring Magnet OD7m x H5mm | Hole 2.6mm | S270 | North Marked","description":"\u003cp\u003eThere are several types of magnets that are referred to as Rare Earth magnets and \u003ca href=\"\/collections\/samarium-cobalt-magnets\" title=\"Samarium Cobalt\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSamarium Cobalt magnets \u003c\/a\u003eone of these. They have several key attributes that make them well suited to particular applications. Automotive and some medical applications utilise Samarium Cobalt magnets like this ring magnet as they have superior resistance to corrosive elements. In addition to this they are stable at high temperatures, continuing to provide sustained magnetic power at over 200 degrees Celsius. To find out more please take a look at our\u003ca href=\"\/pages\/magnet-wiki\" title=\"Magnet Wiki\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e magnet wiki \u003c\/a\u003epage.\u003cbr\u003e\u003cbr\u003eSimilar to other Rare Earth magnets, like \u003ca href=\"\/collections\/neodymium-magnets\" title=\"Neodymium Magnets\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eNeodymium magnets\u003c\/a\u003e, Samarium Cobalt magnets are quite brittle in nature. This is due to the sintering process that occurs in manufacturing the magnets. It is important to handle all magnets with care as they can chip or shatter when subjected to impact. This is particularly the case with Samarium Cobalt ring magnets. The thin profile and central hole mean they are more likely to be damaged. However in most cases ring magnets are used as components within a device and are therefore protected from physical impacts.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are samarium cobalt magnets used for?\u003c\/strong\u003e\u003cbr\u003eSamarium cobalt ring magnets are frequently used as component parts within devices. They are particularly sought after for applications that will subject the magnet to a humid or corrosive environment. \u003cbr\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296062718084,"sku":"39015","price":11.44,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/smcoring7x5.jpg?v=1781863419"},{"product_id":"neodymium-ring-magnet-od19xid8xh4-n38","title":"Neodymium Ring Magnet OD19mm x H4mm | Hole 8mm N38","description":"\u003cp\u003e\u003cstrong\u003eNeodymium Ring Magnets\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNeodymium magnetic products are the unbeatable leader when it comes to holding strength either at home or in more industrial settings. Strong rare earth ring shaped magnets have similar benefits to those of slim, low height disc magnets but have the additional convenience of a central hole by which the magnet can be attached to another surface with wire or string. This can be done either casually or for the long term and by using this simple and flexible form of attachment, commitment to invasive and permanent surface-damaging types of fasteners is no longer necessary. This low-tech but efficient form of attachment also allows the strong, circular ring-shaped magnets to be quickly relocated or removed completely for use at a later date. Magnetic hold can be used to display artwork, support decorations, hang signage or to keep doors and cabinetry closed. Ring-shaped Neodymium magnets are popular with many customers who find them easy to use and adaptable to a wide range of holding requirements around the home or workplace.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296069501060,"sku":"R-OD19H4ID8","price":8.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23008.jpg?v=1752624136"},{"product_id":"neodymium-countersunk-ring-magnet-od25mm-x-10mm-c-hole-d12-6-north","title":"Neodymium Countersunk Ring Magnet - OD25mm x 10mm C\/hole d12\/6 | NORTH","description":"\u003ch2 data-section-id=\"1auofom\" data-start=\"0\" data-end=\"73\"\u003eNeodymium Countersunk Ring Magnet - OD25mm x 10mm C\/Hole d12\/6 | NORTH\u003c\/h2\u003e\n\u003cp data-start=\"75\" data-end=\"512\"\u003ePowerful, versatile, and designed for secure screw fixing, this \u003cstrong data-start=\"139\" data-end=\"176\"\u003eNeodymium Countersunk Ring Magnet\u003c\/strong\u003e features an \u003cstrong data-start=\"189\" data-end=\"215\"\u003eouter diameter of 25mm\u003c\/strong\u003e, a \u003cstrong data-start=\"219\" data-end=\"237\"\u003e10mm thickness\u003c\/strong\u003e, and a \u003cstrong data-start=\"245\" data-end=\"342\"\u003ecountersunk centre hole with a 12mm outer countersink diameter and 6mm internal hole diameter\u003c\/strong\u003e. Manufactured from high-strength rare earth neodymium, this magnet is ideal for applications requiring a strong magnetic hold combined with a flush-mounted installation.\u003c\/p\u003e\n\u003cp data-start=\"514\" data-end=\"923\"\u003eThis version is supplied with the \u003cstrong data-start=\"548\" data-end=\"586\"\u003eNorth pole on the countersunk face\u003c\/strong\u003e, making it particularly useful for specialised mounting applications, magnetic assemblies, and projects where pole orientation is important. The countersunk design allows the magnet to be securely fixed using a suitable countersunk screw, creating a clean, professional finish while maintaining maximum magnetic contact across the face.\u003c\/p\u003e\n\u003cp data-start=\"925\" data-end=\"1231\"\u003eFinished with a durable \u003cstrong data-start=\"949\" data-end=\"974\"\u003eNiCuNi nickel coating\u003c\/strong\u003e, this magnet offers excellent resistance to corrosion and wear while maintaining a polished metallic appearance. Its ring design and substantial thickness provide excellent magnetic performance for industrial, engineering, commercial, and DIY applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"1233\" data-end=\"1256\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1257\" data-end=\"1656\"\u003e\n\u003cli data-section-id=\"jeewc2\" data-start=\"1257\" data-end=\"1316\"\u003ePowerful \u003cstrong data-start=\"1268\" data-end=\"1316\"\u003erare earth neodymium countersunk ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cpt6e1\" data-start=\"1317\" data-end=\"1355\"\u003eDimensions: \u003cstrong data-start=\"1331\" data-end=\"1355\"\u003e25mm OD x 10mm thick\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kcyaoj\" data-start=\"1356\" data-end=\"1434\"\u003eCountersunk hole: \u003cstrong data-start=\"1376\" data-end=\"1434\"\u003e12mm countersink diameter \/ 6mm internal hole diameter\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7z28py\" data-start=\"1435\" data-end=\"1471\"\u003e\u003cstrong data-start=\"1437\" data-end=\"1471\"\u003eNorth pole on countersunk face\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"65ktvy\" data-start=\"1472\" data-end=\"1509\"\u003eEasy flush-mount screw installation\u003c\/li\u003e\n\u003cli data-section-id=\"1wk2n28\" data-start=\"1510\" data-end=\"1552\"\u003eDurable \u003cstrong data-start=\"1520\" data-end=\"1552\"\u003eNiCuNi nickel plated coating\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kc44qa\" data-start=\"1553\" data-end=\"1590\"\u003eStrong magnetic holding performance\u003c\/li\u003e\n\u003cli data-section-id=\"nyyibs\" data-start=\"1591\" data-end=\"1656\"\u003eSuitable for industrial, commercial, and technical applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1658\" data-end=\"1681\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"1682\" data-end=\"1963\"\u003e\n\u003cli data-section-id=\"1f6yckt\" data-start=\"1682\" data-end=\"1709\"\u003eMagnetic mounting systems\u003c\/li\u003e\n\u003cli data-section-id=\"pxnzho\" data-start=\"1710\" data-end=\"1748\"\u003eMachinery and engineering assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"1deam9f\" data-start=\"1749\" data-end=\"1787\"\u003eCabinetry and furniture construction\u003c\/li\u003e\n\u003cli data-section-id=\"pkrgsj\" data-start=\"1788\" data-end=\"1816\"\u003eWorkshop jigs and fixtures\u003c\/li\u003e\n\u003cli data-section-id=\"zengh2\" data-start=\"1817\" data-end=\"1852\"\u003eSignage and display installations\u003c\/li\u003e\n\u003cli data-section-id=\"pmkcr5\" data-start=\"1853\" data-end=\"1885\"\u003eProduct design and prototyping\u003c\/li\u003e\n\u003cli data-section-id=\"guk59f\" data-start=\"1886\" data-end=\"1912\"\u003eCustom magnetic projects\u003c\/li\u003e\n\u003cli data-section-id=\"em7knd\" data-start=\"1913\" data-end=\"1963\"\u003eApplications requiring specific pole orientation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"1965\" data-end=\"1980\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"1981\" data-end=\"2371\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNeodymium magnets are extremely powerful and should be handled carefully. Magnets may snap together unexpectedly and can chip or crack upon impact. When mounting with screws, avoid overtightening as excessive force may damage the magnet. Keep away from children, pacemakers, electronic devices, and magnetic storage media. Pole orientation is specified as \u003cstrong data-start=\"2337\" data-end=\"2370\"\u003eNorth on the countersunk face\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296079233156,"sku":"23005BNth","price":21.37,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23004_1_1.jpg?v=1752623941"},{"product_id":"neodymium-countersunk-ring-magnet-od12-5mm-x-6mm-c-hole-d3-south","title":"Neodymium Countersunk Ring Magnet - OD12.5mm x 6mm C\/hole d3\/d9 | SOUTH","description":"\u003ch2 data-section-id=\"12iopnz\" data-start=\"0\" data-end=\"74\"\u003eNeodymium Countersunk Ring Magnet - OD12.5mm x 6mm C\/Hole d3\/d9 | SOUTH\u003c\/h2\u003e\n\u003cp data-start=\"76\" data-end=\"499\"\u003eCompact, powerful, and designed for secure screw mounting, this \u003cstrong data-start=\"140\" data-end=\"177\"\u003eNeodymium Countersunk Ring Magnet\u003c\/strong\u003e features an \u003cstrong data-start=\"190\" data-end=\"218\"\u003eouter diameter of 12.5mm\u003c\/strong\u003e, a \u003cstrong data-start=\"222\" data-end=\"239\"\u003e6mm thickness\u003c\/strong\u003e, and a \u003cstrong data-start=\"247\" data-end=\"337\"\u003ecountersunk centre hole with a 3mm internal hole diameter and 9mm countersunk diameter\u003c\/strong\u003e. Manufactured from high-strength rare earth neodymium, this magnet is ideal for applications requiring a strong magnetic hold in a compact, screw-fixable design.\u003c\/p\u003e\n\u003cp data-start=\"501\" data-end=\"906\"\u003eThis version is supplied with the \u003cstrong data-start=\"535\" data-end=\"573\"\u003eSouth pole on the countersunk face\u003c\/strong\u003e, making it suitable for specialised magnetic assemblies, paired magnet systems, and applications where pole orientation is important. The countersunk hole allows the magnet to be mounted flush using a suitable countersunk screw, providing a neat, professional installation while maintaining maximum magnetic contact across the face.\u003c\/p\u003e\n\u003cp data-start=\"908\" data-end=\"1308\"\u003eFinished with a durable \u003cstrong data-start=\"932\" data-end=\"957\"\u003eNiCuNi nickel coating\u003c\/strong\u003e, this magnet offers excellent resistance to corrosion and wear while maintaining a polished metallic appearance. Its compact size makes it ideal for cabinetry, display systems, product design, workshop fixtures, engineering projects, electronics, and custom fabrication applications where space is limited but strong magnetic performance is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"1310\" data-end=\"1333\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1334\" data-end=\"1722\"\u003e\n\u003cli data-section-id=\"jeewc2\" data-start=\"1334\" data-end=\"1393\"\u003ePowerful \u003cstrong data-start=\"1345\" data-end=\"1393\"\u003erare earth neodymium countersunk ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nferch\" data-start=\"1394\" data-end=\"1433\"\u003eDimensions: \u003cstrong data-start=\"1408\" data-end=\"1433\"\u003e12.5mm OD x 6mm thick\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yys1qj\" data-start=\"1434\" data-end=\"1502\"\u003eCountersunk hole: \u003cstrong data-start=\"1454\" data-end=\"1502\"\u003e3mm internal hole \/ 9mm countersink diameter\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lvdem4\" data-start=\"1503\" data-end=\"1539\"\u003e\u003cstrong data-start=\"1505\" data-end=\"1539\"\u003eSouth pole on countersunk face\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"i8mahm\" data-start=\"1540\" data-end=\"1575\"\u003eCompact screw-fix mounting design\u003c\/li\u003e\n\u003cli data-section-id=\"1wk2n28\" data-start=\"1576\" data-end=\"1618\"\u003eDurable \u003cstrong data-start=\"1586\" data-end=\"1618\"\u003eNiCuNi nickel plated coating\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kc44qa\" data-start=\"1619\" data-end=\"1656\"\u003eStrong magnetic holding performance\u003c\/li\u003e\n\u003cli data-section-id=\"nyyibs\" data-start=\"1657\" data-end=\"1722\"\u003eSuitable for industrial, commercial, and technical applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1724\" data-end=\"1747\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"1748\" data-end=\"2029\"\u003e\n\u003cli data-section-id=\"1f6yckt\" data-start=\"1748\" data-end=\"1775\"\u003eMagnetic mounting systems\u003c\/li\u003e\n\u003cli data-section-id=\"1s6mc5k\" data-start=\"1776\" data-end=\"1802\"\u003eCabinet and door catches\u003c\/li\u003e\n\u003cli data-section-id=\"pmkcr5\" data-start=\"1803\" data-end=\"1835\"\u003eProduct design and prototyping\u003c\/li\u003e\n\u003cli data-section-id=\"nxdsp\" data-start=\"1836\" data-end=\"1874\"\u003eElectronics and technical assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"pkrgsj\" data-start=\"1875\" data-end=\"1903\"\u003eWorkshop jigs and fixtures\u003c\/li\u003e\n\u003cli data-section-id=\"zengh2\" data-start=\"1904\" data-end=\"1939\"\u003eSignage and display installations\u003c\/li\u003e\n\u003cli data-section-id=\"qrnmpo\" data-start=\"1940\" data-end=\"1978\"\u003eEngineering and fabrication projects\u003c\/li\u003e\n\u003cli data-section-id=\"em7knd\" data-start=\"1979\" data-end=\"2029\"\u003eApplications requiring specific pole orientation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"2031\" data-end=\"2046\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"2047\" data-end=\"2449\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNeodymium magnets are extremely strong for their size and should be handled carefully. Small magnets can present a swallowing hazard and must be kept away from children. When mounting with screws, avoid overtightening as excessive force may damage the magnet. Keep away from pacemakers, electronic devices, and magnetic storage media. Pole orientation is specified as \u003cstrong data-start=\"2415\" data-end=\"2448\"\u003eSouth on the countersunk face.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296079364228,"sku":"23012 Sth","price":3.32,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23012_600x_b5805d90-1db1-46d0-8f42-05a25f6648d1.jpg?v=1752623939"},{"product_id":"neodymium-countersunk-ring-magnet-od12-5mm-x-6mm-c-hole-d3-north","title":"Neodymium Countersunk Ring Magnet - OD12.5mm x 6mm C\/hole d3\/d9 | NORTH","description":"\u003ch2 data-section-id=\"12qn851\" data-start=\"0\" data-end=\"74\"\u003eNeodymium Countersunk Ring Magnet - OD12.5mm x 6mm C\/Hole d3\/d9 | NORTH\u003c\/h2\u003e\n\u003cp data-start=\"76\" data-end=\"484\"\u003eCompact, powerful, and designed for secure screw mounting, this \u003cstrong data-start=\"140\" data-end=\"177\"\u003eNeodymium Countersunk Ring Magnet\u003c\/strong\u003e features an \u003cstrong data-start=\"190\" data-end=\"218\"\u003eouter diameter of 12.5mm\u003c\/strong\u003e, a \u003cstrong data-start=\"222\" data-end=\"239\"\u003e6mm thickness\u003c\/strong\u003e, and a \u003cstrong data-start=\"247\" data-end=\"337\"\u003ecountersunk centre hole with a 3mm internal hole diameter and 9mm countersunk diameter\u003c\/strong\u003e. Manufactured from high-strength rare earth neodymium, this magnet provides exceptional magnetic performance in a compact, easy-to-install design.\u003c\/p\u003e\n\u003cp data-start=\"486\" data-end=\"907\"\u003eThis version is supplied with the \u003cstrong data-start=\"520\" data-end=\"558\"\u003eNorth pole on the countersunk face\u003c\/strong\u003e, making it ideal for specialised magnetic assemblies, paired magnet systems, and applications where specific magnetic pole orientation is required. The countersunk hole allows the magnet to be mounted flush using a suitable countersunk screw, creating a neat and professional installation while maintaining maximum magnetic contact across the face.\u003c\/p\u003e\n\u003cp data-start=\"909\" data-end=\"1319\"\u003eFinished with a durable \u003cstrong data-start=\"933\" data-end=\"958\"\u003eNiCuNi nickel coating\u003c\/strong\u003e, this magnet offers excellent resistance to corrosion and wear while maintaining a polished metallic appearance. Its compact dimensions make it ideal for cabinetry, product displays, engineering projects, workshop fixtures, electronics, automation systems, and custom fabrication applications where space is limited but strong magnetic performance is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"1321\" data-end=\"1344\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1345\" data-end=\"1733\"\u003e\n\u003cli data-section-id=\"jeewc2\" data-start=\"1345\" data-end=\"1404\"\u003ePowerful \u003cstrong data-start=\"1356\" data-end=\"1404\"\u003erare earth neodymium countersunk ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nferch\" data-start=\"1405\" data-end=\"1444\"\u003eDimensions: \u003cstrong data-start=\"1419\" data-end=\"1444\"\u003e12.5mm OD x 6mm thick\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yys1qj\" data-start=\"1445\" data-end=\"1513\"\u003eCountersunk hole: \u003cstrong data-start=\"1465\" data-end=\"1513\"\u003e3mm internal hole \/ 9mm countersink diameter\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7z28py\" data-start=\"1514\" data-end=\"1550\"\u003e\u003cstrong data-start=\"1516\" data-end=\"1550\"\u003eNorth pole on countersunk face\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"i8mahm\" data-start=\"1551\" data-end=\"1586\"\u003eCompact screw-fix mounting design\u003c\/li\u003e\n\u003cli data-section-id=\"1wk2n28\" data-start=\"1587\" data-end=\"1629\"\u003eDurable \u003cstrong data-start=\"1597\" data-end=\"1629\"\u003eNiCuNi nickel plated coating\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kc44qa\" data-start=\"1630\" data-end=\"1667\"\u003eStrong magnetic holding performance\u003c\/li\u003e\n\u003cli data-section-id=\"nyyibs\" data-start=\"1668\" data-end=\"1733\"\u003eSuitable for industrial, commercial, and technical applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1735\" data-end=\"1758\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"1759\" data-end=\"2040\"\u003e\n\u003cli data-section-id=\"1f6yckt\" data-start=\"1759\" data-end=\"1786\"\u003eMagnetic mounting systems\u003c\/li\u003e\n\u003cli data-section-id=\"1s6mc5k\" data-start=\"1787\" data-end=\"1813\"\u003eCabinet and door catches\u003c\/li\u003e\n\u003cli data-section-id=\"pmkcr5\" data-start=\"1814\" data-end=\"1846\"\u003eProduct design and prototyping\u003c\/li\u003e\n\u003cli data-section-id=\"nxdsp\" data-start=\"1847\" data-end=\"1885\"\u003eElectronics and technical assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"pkrgsj\" data-start=\"1886\" data-end=\"1914\"\u003eWorkshop jigs and fixtures\u003c\/li\u003e\n\u003cli data-section-id=\"zengh2\" data-start=\"1915\" data-end=\"1950\"\u003eSignage and display installations\u003c\/li\u003e\n\u003cli data-section-id=\"qrnmpo\" data-start=\"1951\" data-end=\"1989\"\u003eEngineering and fabrication projects\u003c\/li\u003e\n\u003cli data-section-id=\"em7knd\" data-start=\"1990\" data-end=\"2040\"\u003eApplications requiring specific pole orientation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"2042\" data-end=\"2057\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"2058\" data-end=\"2460\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNeodymium magnets are extremely strong for their size and should be handled carefully. Small magnets can present a swallowing hazard and must be kept away from children. When mounting with screws, avoid overtightening as excessive force may damage the magnet. Keep away from pacemakers, electronic devices, and magnetic storage media. Pole orientation is specified as \u003cstrong data-start=\"2426\" data-end=\"2459\"\u003eNorth on the countersunk face\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296079495300,"sku":"23012","price":3.32,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23012_600x_5912fe34-f047-44fc-92d2-acf9bb429cd0.jpg?v=1752623938"},{"product_id":"neodymium-ring-magnet-od22-x-h10-x-id4-5-mm-n38","title":"Neodymium Ring Magnet OD22mm x H10mm | Hole 4.5 mm N38","description":"\u003ch2 data-section-id=\"947uug\" data-start=\"0\" data-end=\"57\" class=\"PDq2pG_selectionAnchorContainer\"\u003eNeodymium Ring Magnet OD22mm x H10mm | Hole 4.5mm | N38\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"59\" data-end=\"517\"\u003eCompact, powerful, and precision-engineered, this \u003cstrong data-start=\"109\" data-end=\"134\"\u003eNeodymium Ring Magnet\u003c\/strong\u003e features a \u003cstrong data-start=\"146\" data-end=\"225\"\u003e22mm outside diameter (OD), 4.5mm inside diameter (ID), and 10mm height (H)\u003c\/strong\u003e. Manufactured from premium \u003cstrong data-start=\"253\" data-end=\"295\"\u003eN38-grade NdFeB (Neodymium Iron Boron)\u003c\/strong\u003e rare earth magnetic material, this permanent magnet delivers exceptional magnetic strength in a versatile ring design, making it ideal for engineering, manufacturing, automation, product development, and DIY applications.\u003c\/p\u003e\n\u003cp data-start=\"519\" data-end=\"923\"\u003eNeodymium magnets are the strongest commercially available permanent magnets, offering significantly greater holding force than ferrite, Alnico, or samarium cobalt magnets of similar size. The \u003cstrong data-start=\"712\" data-end=\"733\"\u003e4.5mm centre hole\u003c\/strong\u003e allows the magnet to be mounted using bolts, screws, shafts, or threaded rods, making it ideal for magnetic fixtures, mounting systems, rotating assemblies, and custom engineering projects.\u003c\/p\u003e\n\u003cp data-start=\"925\" data-end=\"1175\"\u003eThis ring magnet is \u003cstrong data-start=\"945\" data-end=\"967\"\u003eaxially magnetised\u003c\/strong\u003e, with the magnetic poles located on the two flat circular faces. This configuration provides maximum holding performance when the magnet is used against a ferrous steel surface or paired with another magnet.\u003c\/p\u003e\n\u003cp data-start=\"1177\" data-end=\"1362\"\u003eProtected with a durable \u003cstrong data-start=\"1202\" data-end=\"1245\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e, this magnet offers excellent resistance to corrosion and everyday wear while maintaining a smooth, polished finish.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"1364\" data-end=\"1387\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1388\" data-end=\"1844\"\u003e\n\u003cli data-section-id=\"2x4137\" data-start=\"1388\" data-end=\"1444\"\u003ePremium \u003cstrong data-start=\"1398\" data-end=\"1444\"\u003eN38-grade rare earth neodymium ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vxe1o0\" data-start=\"1445\" data-end=\"1496\"\u003eDimensions: \u003cstrong data-start=\"1459\" data-end=\"1496\"\u003e22mm (OD) x 4.5mm (ID) x 10mm (H)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ubknkd\" data-start=\"1497\" data-end=\"1563\"\u003e\n\u003cstrong data-start=\"1499\" data-end=\"1521\"\u003eAxially magnetised\u003c\/strong\u003e for maximum face-to-face holding strength\u003c\/li\u003e\n\u003cli data-section-id=\"f99s2\" data-start=\"1564\" data-end=\"1610\"\u003ePrecision \u003cstrong data-start=\"1576\" data-end=\"1597\"\u003e4.5mm centre hole\u003c\/strong\u003e for mounting\u003c\/li\u003e\n\u003cli data-section-id=\"1bgekfy\" data-start=\"1611\" data-end=\"1650\"\u003eExtremely strong magnetic performance\u003c\/li\u003e\n\u003cli data-section-id=\"6fc21g\" data-start=\"1651\" data-end=\"1704\"\u003eDurable \u003cstrong data-start=\"1661\" data-end=\"1704\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1czhckk\" data-start=\"1705\" data-end=\"1752\"\u003ePrecision-manufactured for consistent quality\u003c\/li\u003e\n\u003cli data-section-id=\"1equpbf\" data-start=\"1753\" data-end=\"1784\"\u003eLong-lasting permanent magnet\u003c\/li\u003e\n\u003cli data-section-id=\"hqhwen\" data-start=\"1785\" data-end=\"1844\"\u003eSuitable for industrial, commercial, and DIY applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1846\" data-end=\"1869\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"1870\" data-end=\"2097\"\u003e\n\u003cli data-section-id=\"1f6yckt\" data-start=\"1870\" data-end=\"1897\"\u003eMagnetic mounting systems\u003c\/li\u003e\n\u003cli data-section-id=\"qp7sm2\" data-start=\"1898\" data-end=\"1929\"\u003eEngineering and manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"1379ml4\" data-start=\"1930\" data-end=\"1962\"\u003eElectric motors and generators\u003c\/li\u003e\n\u003cli data-section-id=\"1p0pfaz\" data-start=\"1963\" data-end=\"1986\"\u003eMechanical assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"1o8izvh\" data-start=\"1987\" data-end=\"2009\"\u003eAutomation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"pkrgsj\" data-start=\"2010\" data-end=\"2038\"\u003eWorkshop jigs and fixtures\u003c\/li\u003e\n\u003cli data-section-id=\"1od4uuq\" data-start=\"2039\" data-end=\"2060\"\u003eScientific research\u003c\/li\u003e\n\u003cli data-section-id=\"yjfoz2\" data-start=\"2061\" data-end=\"2097\"\u003eDIY fabrication and product design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qmgibc\" data-start=\"2099\" data-end=\"2112\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul data-start=\"2113\" data-end=\"2281\"\u003e\n\u003cli data-section-id=\"7d099e\" data-start=\"2113\" data-end=\"2124\"\u003eEngineers\u003c\/li\u003e\n\u003cli data-section-id=\"ctq1ak\" data-start=\"2125\" data-end=\"2140\"\u003eManufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"1a3dn4l\" data-start=\"2141\" data-end=\"2160\"\u003eProduct designers\u003c\/li\u003e\n\u003cli data-section-id=\"1vuc9te\" data-start=\"2161\" data-end=\"2185\"\u003eIndustrial maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1f40aq3\" data-start=\"2186\" data-end=\"2210\"\u003eAutomation specialists\u003c\/li\u003e\n\u003cli data-section-id=\"12qmxv9\" data-start=\"2211\" data-end=\"2234\"\u003ePrototype development\u003c\/li\u003e\n\u003cli data-section-id=\"tuv45w\" data-start=\"2235\" data-end=\"2258\"\u003eResearch laboratories\u003c\/li\u003e\n\u003cli data-section-id=\"1h62ywz\" data-start=\"2259\" data-end=\"2281\"\u003eHobbyists and makers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wfcj9n\" data-start=\"2283\" data-end=\"2327\"\u003eWhy Choose an N38 Neodymium Ring Magnet?\u003c\/h3\u003e\n\u003cp data-start=\"2329\" data-end=\"2671\"\u003eN38-grade neodymium ring magnets provide an excellent balance of magnetic strength, durability, and cost-effectiveness. Their centre hole makes them easy to mount onto shafts, bolts, or threaded fasteners, while their compact size and powerful magnetic field make them suitable for countless industrial, commercial, and creative applications.\u003c\/p\u003e\n\u003cp data-start=\"2673\" data-end=\"2865\"\u003eThe ring design also allows for easy integration into rotating mechanisms, magnetic couplings, clamping systems, and custom magnetic assemblies where both strength and precision are essential.\u003c\/p\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"2867\" data-end=\"2882\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"2884\" data-end=\"3511\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNeodymium magnets are extremely powerful and should be handled carefully to prevent pinch injuries or damage caused by magnets snapping together. Holding performance is achieved under ideal conditions using a clean, flat, thick steel surface with direct contact. Actual magnetic strength will vary depending on the application, air gap, mounting arrangement, and the material being attracted. Keep away from children, pacemakers, sensitive electronic devices, and magnetic storage media. Avoid drilling, machining, excessive heat, or heavy impacts, as these may permanently damage the magnet or reduce its magnetic performance.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296079888516,"sku":"23004A","price":14.59,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23005.jpg?v=1752623929"},{"product_id":"neodymium-ring-magnet-od19-x-h10-x-id6-mm-n38","title":"Neodymium Ring Magnet OD19mm x H10mm | Hole 6mm N38","description":"\u003ch2 data-section-id=\"11und21\" data-start=\"0\" data-end=\"55\" class=\"PDq2pG_selectionAnchorContainer\"\u003eNeodymium Ring Magnet OD19mm x H10mm | Hole 6mm | N38\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"57\" data-end=\"509\"\u003eCompact, powerful, and engineered for precision, this \u003cstrong data-start=\"111\" data-end=\"136\"\u003eNeodymium Ring Magnet\u003c\/strong\u003e features a \u003cstrong data-start=\"148\" data-end=\"225\"\u003e19mm outside diameter (OD), 6mm inside diameter (ID), and 10mm height (H)\u003c\/strong\u003e. Manufactured from premium \u003cstrong data-start=\"253\" data-end=\"295\"\u003eN38-grade NdFeB (Neodymium Iron Boron)\u003c\/strong\u003e rare earth magnetic material, this permanent magnet delivers exceptional magnetic strength in a versatile ring design, making it ideal for engineering, manufacturing, automation, electronics, and DIY applications.\u003c\/p\u003e\n\u003cp data-start=\"511\" data-end=\"936\"\u003eNeodymium magnets are the strongest commercially available permanent magnets, providing significantly greater holding power than ferrite, Alnico, or samarium cobalt magnets of comparable size. The \u003cstrong data-start=\"708\" data-end=\"727\"\u003e6mm centre hole\u003c\/strong\u003e allows the magnet to be securely mounted over bolts, shafts, threaded rods, or tubing, making it an excellent choice for magnetic fixtures, mounting systems, mechanical assemblies, and custom-built equipment.\u003c\/p\u003e\n\u003cp data-start=\"938\" data-end=\"1184\"\u003eThis ring magnet is \u003cstrong data-start=\"958\" data-end=\"980\"\u003eaxially magnetised\u003c\/strong\u003e, meaning the magnetic poles are located on the two flat circular faces. This configuration maximises holding force when the magnet is placed against a ferrous steel surface or paired with another magnet.\u003c\/p\u003e\n\u003cp data-start=\"1186\" data-end=\"1398\"\u003eFinished with a durable \u003cstrong data-start=\"1210\" data-end=\"1253\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e, the magnet offers excellent resistance to corrosion and everyday wear while maintaining a smooth, polished finish for long-lasting performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"1400\" data-end=\"1423\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1424\" data-end=\"1932\"\u003e\n\u003cli data-section-id=\"2x4137\" data-start=\"1424\" data-end=\"1480\"\u003ePremium \u003cstrong data-start=\"1434\" data-end=\"1480\"\u003eN38-grade rare earth neodymium ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"73hpoh\" data-start=\"1481\" data-end=\"1530\"\u003eDimensions: \u003cstrong data-start=\"1495\" data-end=\"1530\"\u003e19mm (OD) x 6mm (ID) x 10mm (H)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18plav5\" data-start=\"1531\" data-end=\"1601\"\u003e\n\u003cstrong data-start=\"1533\" data-end=\"1555\"\u003eAxially magnetised\u003c\/strong\u003e for maximum face-to-face magnetic performance\u003c\/li\u003e\n\u003cli data-section-id=\"vw418w\" data-start=\"1602\" data-end=\"1683\"\u003ePrecision \u003cstrong data-start=\"1614\" data-end=\"1633\"\u003e6mm centre hole\u003c\/strong\u003e for mounting over bolts, shafts, or threaded rods\u003c\/li\u003e\n\u003cli data-section-id=\"ys5vm4\" data-start=\"1684\" data-end=\"1738\"\u003eExtremely strong magnetic force for its compact size\u003c\/li\u003e\n\u003cli data-section-id=\"6fc21g\" data-start=\"1739\" data-end=\"1792\"\u003eDurable \u003cstrong data-start=\"1749\" data-end=\"1792\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1czhckk\" data-start=\"1793\" data-end=\"1840\"\u003ePrecision-manufactured for consistent quality\u003c\/li\u003e\n\u003cli data-section-id=\"1equpbf\" data-start=\"1841\" data-end=\"1872\"\u003eLong-lasting permanent magnet\u003c\/li\u003e\n\u003cli data-section-id=\"hqhwen\" data-start=\"1873\" data-end=\"1932\"\u003eSuitable for industrial, commercial, and DIY applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1934\" data-end=\"1957\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"1958\" data-end=\"2198\"\u003e\n\u003cli data-section-id=\"1f6yckt\" data-start=\"1958\" data-end=\"1985\"\u003eMagnetic mounting systems\u003c\/li\u003e\n\u003cli data-section-id=\"qp7sm2\" data-start=\"1986\" data-end=\"2017\"\u003eEngineering and manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"1379ml4\" data-start=\"2018\" data-end=\"2050\"\u003eElectric motors and generators\u003c\/li\u003e\n\u003cli data-section-id=\"1p0pfaz\" data-start=\"2051\" data-end=\"2074\"\u003eMechanical assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"1o8izvh\" data-start=\"2075\" data-end=\"2097\"\u003eAutomation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"pkrgsj\" data-start=\"2098\" data-end=\"2126\"\u003eWorkshop jigs and fixtures\u003c\/li\u003e\n\u003cli data-section-id=\"1t3t4w9\" data-start=\"2127\" data-end=\"2164\"\u003eScientific and laboratory equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1vun7p8\" data-start=\"2165\" data-end=\"2198\"\u003eDIY fabrication and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qmgibc\" data-start=\"2200\" data-end=\"2213\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul data-start=\"2214\" data-end=\"2382\"\u003e\n\u003cli data-section-id=\"7d099e\" data-start=\"2214\" data-end=\"2225\"\u003eEngineers\u003c\/li\u003e\n\u003cli data-section-id=\"ctq1ak\" data-start=\"2226\" data-end=\"2241\"\u003eManufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"1a3dn4l\" data-start=\"2242\" data-end=\"2261\"\u003eProduct designers\u003c\/li\u003e\n\u003cli data-section-id=\"1vuc9te\" data-start=\"2262\" data-end=\"2286\"\u003eIndustrial maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1f40aq3\" data-start=\"2287\" data-end=\"2311\"\u003eAutomation specialists\u003c\/li\u003e\n\u003cli data-section-id=\"12qmxv9\" data-start=\"2312\" data-end=\"2335\"\u003ePrototype development\u003c\/li\u003e\n\u003cli data-section-id=\"tuv45w\" data-start=\"2336\" data-end=\"2359\"\u003eResearch laboratories\u003c\/li\u003e\n\u003cli data-section-id=\"1h62ywz\" data-start=\"2360\" data-end=\"2382\"\u003eHobbyists and makers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wfcj9n\" data-start=\"2384\" data-end=\"2428\"\u003eWhy Choose an N38 Neodymium Ring Magnet?\u003c\/h3\u003e\n\u003cp data-start=\"2430\" data-end=\"2789\"\u003eN38-grade neodymium ring magnets provide an excellent combination of magnetic strength, durability, and versatility. Their centre hole allows for easy integration into mechanical assemblies, rotating systems, magnetic couplings, and mounting applications, while the compact ring design delivers powerful magnetic performance in space-constrained environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"2791\" data-end=\"2806\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"2808\" data-end=\"3433\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNeodymium magnets are extremely powerful and should be handled carefully to avoid pinch injuries or damage caused by magnets snapping together. Holding performance is achieved under ideal conditions using a clean, flat, thick steel surface with direct contact. Actual magnetic strength will vary depending on the application, air gap, mounting arrangement, and the material being attracted. Keep away from children, pacemakers, sensitive electronic devices, and magnetic storage media. Avoid drilling, machining, excessive heat, or heavy impacts, as these may permanently damage the magnet or reduce its magnetic performance.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296080052356,"sku":"23006","price":14.01,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23006_1.jpg?v=1752623927"},{"product_id":"neodymium-ring-magnet-od19-x-h4-x-id8-mm-n38","title":"Neodymium Ring Magnet OD19mm x H4mm | Hole 8mm N38","description":"\u003ch2 data-section-id=\"1a11x8i\" data-start=\"0\" data-end=\"54\" class=\"PDq2pG_selectionAnchorContainer\"\u003eNeodymium Ring Magnet OD19mm x H4mm | Hole 8mm N38\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"56\" data-end=\"521\"\u003eCompact, lightweight, and exceptionally powerful, this \u003cstrong data-start=\"111\" data-end=\"136\"\u003eNeodymium Ring Magnet\u003c\/strong\u003e features a \u003cstrong data-start=\"148\" data-end=\"224\"\u003e19mm outside diameter (OD), 8mm inside diameter (ID), and 4mm height (H)\u003c\/strong\u003e. Manufactured from premium \u003cstrong data-start=\"252\" data-end=\"294\"\u003eN38-grade NdFeB (Neodymium Iron Boron)\u003c\/strong\u003e rare earth magnetic material, this permanent magnet delivers impressive magnetic strength in a low-profile ring design, making it ideal for engineering, electronics, product development, automation, and precision DIY projects.\u003c\/p\u003e\n\u003cp data-start=\"523\" data-end=\"935\"\u003eNeodymium magnets are the strongest commercially available permanent magnets, providing significantly greater holding force than ferrite, Alnico, or samarium cobalt magnets of similar size. The \u003cstrong data-start=\"717\" data-end=\"736\"\u003e8mm centre hole\u003c\/strong\u003e allows the magnet to be mounted over bolts, shafts, threaded rods, or tubing, making it ideal for magnetic fixtures, sensors, mounting systems, rotating components, and custom mechanical assemblies.\u003c\/p\u003e\n\u003cp data-start=\"937\" data-end=\"1184\"\u003eThis ring magnet is \u003cstrong data-start=\"957\" data-end=\"979\"\u003eaxially magnetised\u003c\/strong\u003e, meaning the magnetic poles are located on the two flat circular faces. This orientation maximises face-to-face holding performance when used against a ferrous steel surface or paired with another magnet.\u003c\/p\u003e\n\u003cp data-start=\"1186\" data-end=\"1379\"\u003eThe magnet is finished with a durable \u003cstrong data-start=\"1224\" data-end=\"1267\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e, providing excellent resistance to corrosion and everyday wear while maintaining a smooth, polished appearance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"1381\" data-end=\"1404\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1405\" data-end=\"1909\"\u003e\n\u003cli data-section-id=\"2x4137\" data-start=\"1405\" data-end=\"1461\"\u003ePremium \u003cstrong data-start=\"1415\" data-end=\"1461\"\u003eN38-grade rare earth neodymium ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kea4my\" data-start=\"1462\" data-end=\"1510\"\u003eDimensions: \u003cstrong data-start=\"1476\" data-end=\"1510\"\u003e19mm (OD) x 8mm (ID) x 4mm (H)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18plav5\" data-start=\"1511\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1513\" data-end=\"1535\"\u003eAxially magnetised\u003c\/strong\u003e for maximum face-to-face magnetic performance\u003c\/li\u003e\n\u003cli data-section-id=\"143vrz2\" data-start=\"1582\" data-end=\"1663\"\u003ePrecision \u003cstrong data-start=\"1594\" data-end=\"1613\"\u003e8mm centre hole\u003c\/strong\u003e for mounting over bolts, shafts, or threaded rods\u003c\/li\u003e\n\u003cli data-section-id=\"f5jk74\" data-start=\"1664\" data-end=\"1715\"\u003eLow-profile design with exceptional holding power\u003c\/li\u003e\n\u003cli data-section-id=\"6fc21g\" data-start=\"1716\" data-end=\"1769\"\u003eDurable \u003cstrong data-start=\"1726\" data-end=\"1769\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1czhckk\" data-start=\"1770\" data-end=\"1817\"\u003ePrecision-manufactured for consistent quality\u003c\/li\u003e\n\u003cli data-section-id=\"1equpbf\" data-start=\"1818\" data-end=\"1849\"\u003eLong-lasting permanent magnet\u003c\/li\u003e\n\u003cli data-section-id=\"hqhwen\" data-start=\"1850\" data-end=\"1909\"\u003eSuitable for industrial, commercial, and DIY applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1911\" data-end=\"1934\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"1935\" data-end=\"2166\"\u003e\n\u003cli data-section-id=\"1f6yckt\" data-start=\"1935\" data-end=\"1962\"\u003eMagnetic mounting systems\u003c\/li\u003e\n\u003cli data-section-id=\"qp7sm2\" data-start=\"1963\" data-end=\"1994\"\u003eEngineering and manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"1379ml4\" data-start=\"1995\" data-end=\"2027\"\u003eElectric motors and generators\u003c\/li\u003e\n\u003cli data-section-id=\"1qbivta\" data-start=\"2028\" data-end=\"2057\"\u003eSensors and instrumentation\u003c\/li\u003e\n\u003cli data-section-id=\"1o8izvh\" data-start=\"2058\" data-end=\"2080\"\u003eAutomation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"pkrgsj\" data-start=\"2081\" data-end=\"2109\"\u003eWorkshop jigs and fixtures\u003c\/li\u003e\n\u003cli data-section-id=\"r3djtt\" data-start=\"2110\" data-end=\"2132\"\u003eScientific equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1vun7p8\" data-start=\"2133\" data-end=\"2166\"\u003eDIY fabrication and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qmgibc\" data-start=\"2168\" data-end=\"2181\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul data-start=\"2182\" data-end=\"2351\"\u003e\n\u003cli data-section-id=\"7d099e\" data-start=\"2182\" data-end=\"2193\"\u003eEngineers\u003c\/li\u003e\n\u003cli data-section-id=\"ctq1ak\" data-start=\"2194\" data-end=\"2209\"\u003eManufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"1a3dn4l\" data-start=\"2210\" data-end=\"2229\"\u003eProduct designers\u003c\/li\u003e\n\u003cli data-section-id=\"1vuc9te\" data-start=\"2230\" data-end=\"2254\"\u003eIndustrial maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"11efqoi\" data-start=\"2255\" data-end=\"2280\"\u003eElectronics technicians\u003c\/li\u003e\n\u003cli data-section-id=\"12qmxv9\" data-start=\"2281\" data-end=\"2304\"\u003ePrototype development\u003c\/li\u003e\n\u003cli data-section-id=\"tuv45w\" data-start=\"2305\" data-end=\"2328\"\u003eResearch laboratories\u003c\/li\u003e\n\u003cli data-section-id=\"1h62ywz\" data-start=\"2329\" data-end=\"2351\"\u003eHobbyists and makers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wfcj9n\" data-start=\"2353\" data-end=\"2397\"\u003eWhy Choose an N38 Neodymium Ring Magnet?\u003c\/h3\u003e\n\u003cp data-start=\"2399\" data-end=\"2806\"\u003eN38-grade neodymium ring magnets offer an excellent balance of magnetic strength, durability, and value. Their low-profile design makes them ideal for compact assemblies where installation space is limited, while the centre hole allows easy mounting onto shafts, bolts, or threaded fasteners. They are widely used in automation, magnetic couplings, mounting systems, sensors, and custom-engineered products.\u003c\/p\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"2808\" data-end=\"2823\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"2825\" data-end=\"3465\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNeodymium magnets are extremely powerful for their size and should be handled carefully to avoid pinch injuries or damage caused by magnets snapping together. Holding performance is achieved under ideal conditions using a clean, flat, thick steel surface with direct contact. Actual magnetic strength will vary depending on the application, air gap, mounting arrangement, and the material being attracted. Keep away from children, pacemakers, sensitive electronic devices, and magnetic storage media. Avoid drilling, machining, excessive heat, or heavy impacts, as these may permanently damage the magnet or reduce its magnetic performance.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296080117892,"sku":"23008","price":7.77,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23008_1.jpg?v=1752623926"},{"product_id":"neodymium-ring-magnet-od6-x-h3-x-id3-mm-n52","title":"Neodymium Ring Magnet OD6mm x H3mm | Hole 3mm N52","description":"\u003cp\u003eRing-shaped magnet made with premium N52 Grade Neodymium. The small round magnet has a diameter of 6mm and height of 3mm. The central hole is also 3mm in diameter.\u003cbr\u003e \u003cbr\u003eNeodymium magnets of all kinds provide the highest level of magnetic attachment available. This is due to the intensely powerful rare-earth material contained beneath the nickel-coated surface. The N52 Grade rare-earth material found inside this Ring Magnet is the strongest grade available in the Frenergy stock range of magnets. Neodymium materials that are manufactured into a Ring-shaped magnet have distinct advantages over other magnetic shapes and this makes them one of the most commonly purchased magnetic products in the entire Frenergy range. \u003cbr\u003eThe central void of the Ring is often used as a simple and convenient way of attaching the magnet to non-ferrous surfaces that other magnets would not bond with. Wire or plastic cable can be used to attach the magnet to practically any surface, instantly transforming them into magnetically compatible material. A Neodymium Ring magnet attached with wire to a wooden gate for instance, allows the gate to bind with a Colourbond fence. It can then be held in the open position as needed. Neodymium Ring magnets are also ideal for use in industrial applications where the void helps to locate the ring in the correct position on plastic lugs or shafts which are typically made from non-ferrous materials like fibreglass, plastic or carbon fibre. Neodymium Ring magnets that can provide excellent holding power from small, compact magnet sizes have increasingly become an important component in modern consumer products where they create higher levels of capacity and efficiency. \u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39296082673796,"sku":"R-OD6ID3H3-N52","price":1.09,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23004.jpg?v=1752623893"},{"product_id":"smco-countersunk-ring-magnet-20mm-dia-x-10mm-x-c-sunk-d5-2-yxg28-n","title":"SmCo Countersunk Ring Magnet 20mm x 10mm | C\/sunk hole d5.2 | North on C\/Sunk","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eSmCo Countersunk Ring Magnet – 20mm x 10mm | 5.2mm Countersunk Hole | North Pole on Countersunk Face\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets SmCo Countersunk Ring Magnet – 20mm x 10mm | 5.2mm Hole | North on Countersunk Face\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialised permanent magnet designed for applications requiring high-temperature magnetic performance, mechanical mounting and a defined magnetic polarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured using \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSamarium Cobalt (SmCo)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this Rare Earth magnet offers excellent resistance to demagnetisation and is particularly useful in demanding industrial and engineering environments where conventional Neodymium magnets may not be suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm outside diameter, 10mm thickness and a 5.2mm nominal countersunk hole diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnetic ring is designed to accommodate a compatible countersunk fastening arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk design allows a suitable screw head to sit recessed within the magnet's surface, helping create a compact and secure installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn important feature of this magnet is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edefined magnetic polarity, with the North pole located on the countersunk face\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis polarity orientation is particularly relevant for applications involving magnetic assemblies, sensors, positioning systems and equipment where the direction of the magnetic field must be controlled.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional magnets with unspecified polarity, the identified North-facing countersunk surface allows engineers and manufacturers to incorporate the magnet into assemblies requiring a particular magnetic orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSamarium Cobalt is a high-performance Rare Earth magnetic material known for its excellent temperature stability, corrosion resistance and long-term magnetic properties.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSmCo magnets are frequently used in industrial equipment, aerospace-related engineering, automotive systems, precision instruments, electric motors, magnetic sensors and specialised high-temperature assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm diameter and 10mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provide a compact yet substantial magnetic component suitable for applications where a threaded or countersunk mounting arrangement is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central countersunk hole allows the magnet to be positioned and retained using compatible mechanical fasteners, reducing reliance on adhesives alone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSmCo magnets are inherently hard and brittle, so mounting hardware must be selected carefully and tightened without applying excessive stress to the magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face should be positioned according to the required magnetic polarity, particularly where the magnet interacts with another magnet or a magnetic sensing system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSamarium Cobalt countersunk magnet, SmCo countersunk ring magnet, high-temperature Rare Earth ring magnet, North-facing countersunk magnet or mechanically mounted SmCo magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product is suitable for specialised magnetic applications requiring durability and precise magnetic orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're developing an industrial magnetic assembly, manufacturing precision equipment, installing a high-temperature magnetic component or designing a polarity-sensitive magnetic system, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets SmCo Countersunk Ring Magnet – 20mm x 10mm | 5.2mm Hole | North on Countersunk Face\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a versatile magnetic solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSamarium Cobalt (SmCo):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-performance Rare Earth permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e20mm Outside Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact circular magnet suitable for specialised assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e10mm Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Substantial magnetic body for its diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5.2mm Countersunk Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nominal hole dimension for a compatible fastening arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNorth Pole on Countersunk Face:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Defined magnetic polarity for directional magnetic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCountersunk Mounting Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allows use with a suitably matched countersunk fastener.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature Magnetic Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SmCo is recognised for excellent temperature stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExcellent Resistance to Demagnetisation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for demanding magnetic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGood Corrosion Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SmCo generally offers greater inherent corrosion resistance than uncoated NdFeB.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Mounting Capability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central hole enables fastening to compatible assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for magnetic positioning, sensors and engineered equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndustrial Versatility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Relevant to machinery, instruments and specialised magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDefined Polarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps support correct orientation during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature Magnetic Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSamarium Cobalt magnets are useful in assemblies exposed to elevated temperatures where magnetic stability is important.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIndustrial Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate the magnet into specialised machinery and mechanical systems requiring a compact magnetic component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Positioning Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse the defined North-facing countersunk surface in appropriately designed magnetic positioning assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Sensors\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIntegrate the magnet into compatible sensing systems where magnetic polarity and field orientation are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for engineered assemblies requiring controlled magnet placement and mechanical fastening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAutomotive Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSmCo magnets may be used in specialised automotive components exposed to demanding operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAerospace-Related Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSamarium Cobalt magnetic materials are used in certain aerospace and high-reliability engineering systems, subject to application-specific qualification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eElectric Motors and Actuators\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially suitable for specialised magnetic assemblies where the dimensions, magnetic field and polarity meet design requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature Fixtures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into suitable magnetic fixtures where conventional magnet materials may not provide adequate temperature performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Magnetic Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse the countersunk mounting arrangement and defined polarity to create specialised magnetic fastening or positioning systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose a Samarium Cobalt Countersunk Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eExcellent Temperature Stability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSamarium Cobalt is known for maintaining magnetic properties at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDefined Magnetic Polarity\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe North pole is located on the countersunk face, allowing consistent orientation in suitable assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient Mechanical Mounting\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk hole provides a fastening option using compatible hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh Resistance to Demagnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSmCo offers strong resistance to demagnetising influences under appropriate operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eGood Corrosion Resistance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSamarium Cobalt generally has good inherent corrosion resistance and may not require the same protective coatings commonly used with Neodymium magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSuitable for Specialised Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for industrial, high-temperature and polarity-sensitive magnetic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSmCo Countersunk Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSamarium Cobalt (SmCo)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Category\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRare Earth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Ring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutside Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThickness \/ Height\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.2mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersink\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNorth Pole Location\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Face\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOpposite Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth Pole on Opposite Face, assuming conventional axial magnetisation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Orientation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFace-to-Face Polarity Indicated; Confirm Full Magnetisation Specification\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSmCo Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersink Major Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersink Angle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating \/ Finish\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Countersunk Fastener\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSuitable Screw Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMust Be Verified Against Full Hole Geometry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndustrial Equipment, High-Temperature Assemblies and Magnetic Positioning Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOutside Diameter – 20mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet has a nominal outside diameter of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis measurement describes the full width of the circular magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThickness – 10mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10mm in thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the distance between the two main circular faces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCountersunk Hole – 5.2mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features a countersunk hole with a stated nominal diameter of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.2mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersink's major diameter, angle and full geometry have not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe appropriate screw size must therefore be confirmed before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNorth Pole on Countersunk Face\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe North magnetic pole is located on the countersunk face.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis orientation is important when installing the magnet in polarity-sensitive systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNominal Outer Face Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe full circular area corresponding to the 20mm outside diameter is approximately:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e314.16mm² (3.14cm²)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the geometric outer face area before accounting for the hole and countersink.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApproximate Radial Wall Width\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf the 5.2mm measurement represents the diameter of the central through-hole, the nominal radial wall width is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e7.4mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe actual material profile varies around the countersunk opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is a Samarium Cobalt Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSamarium Cobalt magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, commonly abbreviated as SmCo, is a type of Rare Earth permanent magnet manufactured using alloys containing samarium and cobalt.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSmCo magnets are valued for their magnetic stability, resistance to demagnetisation and ability to operate in demanding environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompared with standard Neodymium magnets, Samarium Cobalt magnets generally offer better high-temperature stability and greater inherent corrosion resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey are commonly used in specialised industrial, aerospace, automotive, instrumentation and precision engineering applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSmCo magnets are also hard and brittle, requiring careful handling and appropriate mounting methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is a Countersunk Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA countersunk ring magnet is a circular magnet featuring a central hole with a recessed opening designed to accommodate a compatible countersunk fastener.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk arrangement allows the fastener head to sit within the recess rather than projecting substantially above the magnet's surface, provided the screw geometry is compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk magnets are useful in assemblies where mechanical retention is preferred or where adhesive bonding alone is unsuitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause Rare Earth magnets are brittle, installation must avoid excessive mechanical pressure and impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding North Polarity on the Countersunk Face\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis magnet is specified with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth pole on the countersunk face\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic polarity determines how a magnet interacts with other magnets and magnetic sensing components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOpposite magnetic poles attract, while like poles repel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor example:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNorth and South poles attract.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNorth and North poles repel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSouth and South poles repel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhen installing this magnet into a magnetic assembly, the orientation of the countersunk face should be considered carefully.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specified polarity is particularly important when using matching magnets, magnetic sensors or directional magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The supplied information identifies the North pole on the countersunk face. The complete magnetisation specification should be confirmed for applications requiring detailed magnetic field characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of SmCo Compared with Neodymium Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSamarium Cobalt (SmCo)\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eNeodymium (NdFeB)\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Category\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRare Earth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRare Earth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Temperature Stability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGenerally Excellent\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends Strongly on Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCorrosion Resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGenerally Good\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOften Requires Protective Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Strength\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically Higher for Comparable Size\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eResistance to Demagnetisation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGenerally High\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Grade and Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial Brittleness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBrittle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBrittle\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Temperature and Specialised Engineering\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGeneral Industrial and High-Strength Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCost\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGenerally Higher\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOften More Economical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMechanical Mounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRequires Care\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRequires Care\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eThe appropriate magnetic material depends on operating temperature, magnetic performance, environmental conditions and engineering requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install a SmCo Countersunk Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm the Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check the 20mm diameter, 10mm thickness and countersunk hole geometry against the intended assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIdentify the Magnetic Polarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm that the countersunk face is the North pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect a Compatible Fastener:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Choose a countersunk screw with a suitable head diameter, angle and thread size.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Mounting Surface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the receiving surface is clean, flat and properly aligned.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePosition the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Place the magnet in the required orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInsert the Fastener Carefully:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Avoid striking or forcing the screw into the countersunk opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTighten Gently:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not overtighten, as SmCo magnets are brittle and may crack.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Alignment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnet is correctly positioned.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVerify Magnetic Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Test the magnetic interaction under actual operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for cracks, movement or mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The countersink geometry has not been fully specified. Fastener compatibility must be verified before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDifferent SmCo grades provide different magnetic properties.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSmCo generally offers excellent temperature stability, but the maximum operating temperature depends on the specific grade and assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEven small gaps can reduce magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Material\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel composition and thickness influence magnetic holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Orientation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCorrect polarity is essential in directional magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Stress\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eExcessive fastening pressure can damage brittle magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSurface Contact\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFlat and properly aligned contact surfaces generally improve magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEnvironmental Conditions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTemperature changes, vibration and corrosive exposure should be considered during design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle the magnet carefully to prevent chipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid dropping or striking the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not overtighten mounting screws.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep magnetic contact surfaces clean.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid drilling, cutting or machining the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect for cracks or chips before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from incompatible chemicals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify temperature limits before high-temperature use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore magnets with appropriate separation to prevent sudden impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck mounting hardware periodically.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm polarity before installation into directional magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Magnetic Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Samarium Cobalt magnets are hard and brittle and may crack under mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strong magnetic attraction can cause sudden movement towards steel objects or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSwallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause serious internal injuries if swallowed. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers and magnetically sensitive medical equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Mounting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Countersunk fasteners must be compatible and should not be overtightened.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SmCo is a high-temperature magnetic material, but the specific maximum operating temperature has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent engineering assessment and testing are required before use in safety-critical systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat material is this magnet made from?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is made from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSamarium Cobalt (SmCo)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a Rare Earth permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat are the magnet dimensions?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm in outside diameter and 10mm in thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is the countersunk hole?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe specified nominal hole diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.2mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhich face is the North pole?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecountersunk face is the North pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this an axially magnetised magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe specified North pole on the countersunk face indicates face-oriented polarity, but the complete magnetisation specification should be confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs Samarium Cobalt suitable for high temperatures?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. SmCo is recognised for excellent high-temperature magnetic stability, although the product's specific operating limit has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat SmCo grade is used?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetic grade has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet stronger than Neodymium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium generally offers higher magnetic energy density, while SmCo is often preferred for temperature stability and corrosion resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use a screw to mount this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided the screw is compatible with the complete countersunk hole geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes a 5.2mm hole mean it fits an M5 screw?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA 5.2mm hole may accommodate certain M5 fasteners, but countersink geometry and installation requirements must be verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I overtighten the mounting screw?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Excessive tightening can crack the brittle SmCo magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the magnet require adhesive?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNot necessarily. The countersunk design provides a mechanical mounting option.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet corrosion resistant?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSmCo generally offers good inherent corrosion resistance, although suitability for specific environments must be verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes it have a protective coating?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe coating or finish has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA pull-force rating has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the Gauss rating?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe surface Gauss rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet in industrial equipment?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, provided the magnetic, mechanical and environmental requirements are met.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs it suitable for magnetic sensors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt may be suitable for compatible sensor applications requiring defined magnetic polarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it in an electric motor?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, subject to the motor's magnetic design and engineering requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet brittle?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Samarium Cobalt magnets are brittle and should be handled carefully.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I drill the magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Drilling or machining finished SmCo magnets can cause damage and create hazardous dust.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been specifically confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. SmCo magnets attract suitable ferromagnetic steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract aluminium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Aluminium is not ferromagnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use two of these magnets together?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided their polarity and mechanical arrangement are compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy is the North pole location important?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt allows the magnet to be installed in the correct orientation for polarity-sensitive magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this suitable for safety-critical applications?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly after appropriate engineering verification, testing and compliance assessment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSamarium Cobalt Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSmCo Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSmCo Countersunk Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Temperature Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Temperature Magnetic Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Permanent Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision Magnetic Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Sensor Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets SmCo Countersunk Ring Magnet – 20mm x 10mm | 5.2mm Hole | North on Countersunk Face\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for specialised magnetic applications requiring mechanical mounting and defined polarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm outside diameter, 10mm thickness and nominal 5.2mm countersunk hole diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth magnetic pole is located on the countersunk face\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecific SmCo grade, countersink major diameter, countersink angle, pull force, surface Gauss, coating and maximum operating temperature have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on magnetic grade, installation, operating temperature, receiving materials, air gaps and environmental conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Samarium Cobalt magnets are brittle and must be handled with care. Do not overtighten countersunk fasteners or use the magnet in safety-critical applications without appropriate independent testing.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39307249287300,"sku":"SmCo-R001","price":17.89,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/smco-r001.jpg?v=1752623826"},{"product_id":"neodymium-ring-magnet-od8-x-h3-x-id6-1-mm-n50h-black-epoxy","title":"Neodymium Ring Magnet OD8mm x H3mm | Hole 6.1mm | N50H | High Temperature ≤120ºC | Epoxy Coated","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a014628-0fc0-83ec-856d-20df78f9967d-67\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a014628-0fc0-83ec-856d-20df78f9967d-67\" data-turn-id-container=\"request-6a014628-0fc0-83ec-856d-20df78f9967d-67\" data-testid=\"conversation-turn-454\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ff5bcb37-466f-43b5-92b1-0f30922241c6\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"dmskmb\" data-start=\"0\" data-end=\"96\" class=\"PDq2pG_selectionAnchorContainer\"\u003eNeodymium Ring Magnet – OD8mm x H3mm | ID6.1mm | N50H | High Temperature 120°C | Epoxy Coated\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"98\" data-end=\"657\"\u003eDesigned for demanding environments where both \u003cstrong data-start=\"145\" data-end=\"171\"\u003ehigh magnetic strength\u003c\/strong\u003e and \u003cstrong data-start=\"176\" data-end=\"211\"\u003eelevated temperature resistance\u003c\/strong\u003e are required, this \u003cstrong data-start=\"231\" data-end=\"256\"\u003eNeodymium Ring Magnet\u003c\/strong\u003e features an \u003cstrong data-start=\"269\" data-end=\"346\"\u003e8mm outside diameter (OD), 6.1mm inside diameter (ID), and 3mm height (H)\u003c\/strong\u003e. Manufactured from premium \u003cstrong data-start=\"374\" data-end=\"417\"\u003eN50H-grade NdFeB (Neodymium Iron Boron)\u003c\/strong\u003e rare earth magnetic material, this compact ring magnet combines exceptional magnetic performance with a \u003cstrong data-start=\"522\" data-end=\"570\"\u003emaximum operating temperature of up to 120°C\u003c\/strong\u003e, making it ideal for industrial, automotive, electronic, and engineering applications.\u003c\/p\u003e\n\u003cp data-start=\"659\" data-end=\"898\"\u003eThe \u003cstrong data-start=\"663\" data-end=\"690\"\u003elarge 6.1mm centre hole\u003c\/strong\u003e allows the magnet to be mounted over screws, bolts, shafts, or tubes, making it suitable for precision assemblies, sensors, actuators, magnetic couplings, and compact mounting systems where space is limited.\u003c\/p\u003e\n\u003cp data-start=\"900\" data-end=\"1188\"\u003eUnlike standard neodymium magnets, the \u003cstrong data-start=\"939\" data-end=\"970\"\u003eN50H high-temperature grade\u003c\/strong\u003e is specifically designed to retain its magnetic performance in elevated operating temperatures of up to \u003cstrong data-start=\"1075\" data-end=\"1084\"\u003e120°C\u003c\/strong\u003e, making it an excellent choice for environments where conventional neodymium magnets may lose strength.\u003c\/p\u003e\n\u003cp data-start=\"1190\" data-end=\"1508\"\u003eThe magnet is finished with a durable \u003cstrong data-start=\"1228\" data-end=\"1251\"\u003eblack epoxy coating\u003c\/strong\u003e, providing enhanced protection against corrosion, moisture, chemicals, and abrasion. This coating offers greater environmental resistance than traditional nickel-plated magnets, making it well suited to harsh industrial conditions and outdoor applications.\u003c\/p\u003e\n\u003cp data-start=\"1510\" data-end=\"1729\"\u003eThis ring magnet is \u003cstrong data-start=\"1530\" data-end=\"1552\"\u003eaxially magnetised\u003c\/strong\u003e, meaning the magnetic poles are located on the two flat circular faces, providing maximum holding force when used against a ferrous steel surface or paired with another magnet.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"1731\" data-end=\"1754\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1755\" data-end=\"2269\"\u003e\n\u003cli data-section-id=\"vwdmx1\" data-start=\"1755\" data-end=\"1812\"\u003ePremium \u003cstrong data-start=\"1765\" data-end=\"1812\"\u003eN50H-grade rare earth neodymium ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3lo\" data-start=\"1813\" data-end=\"1862\"\u003eDimensions: \u003cstrong data-start=\"1827\" data-end=\"1862\"\u003e8mm (OD) x 6.1mm (ID) x 3mm (H)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ltwsx8\" data-start=\"1863\" data-end=\"1935\"\u003e\n\u003cstrong data-start=\"1865\" data-end=\"1891\"\u003eHigh-temperature grade\u003c\/strong\u003e with operating temperatures up to \u003cstrong data-start=\"1926\" data-end=\"1935\"\u003e120°C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pncxch\" data-start=\"1936\" data-end=\"2003\"\u003eDurable \u003cstrong data-start=\"1946\" data-end=\"1969\"\u003eblack epoxy coating\u003c\/strong\u003e for superior corrosion resistance\u003c\/li\u003e\n\u003cli data-section-id=\"18plav5\" data-start=\"2004\" data-end=\"2074\"\u003e\n\u003cstrong data-start=\"2006\" data-end=\"2028\"\u003eAxially magnetised\u003c\/strong\u003e for maximum face-to-face magnetic performance\u003c\/li\u003e\n\u003cli data-section-id=\"1x8tkjh\" data-start=\"2075\" data-end=\"2136\"\u003eLarge centre hole for mounting over bolts, shafts, or tubes\u003c\/li\u003e\n\u003cli data-section-id=\"1hxh7y6\" data-start=\"2137\" data-end=\"2189\"\u003eExceptional magnetic strength for its compact size\u003c\/li\u003e\n\u003cli data-section-id=\"1czhckk\" data-start=\"2190\" data-end=\"2237\"\u003ePrecision-manufactured for consistent quality\u003c\/li\u003e\n\u003cli data-section-id=\"1equpbf\" data-start=\"2238\" data-end=\"2269\"\u003eLong-lasting permanent magnet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"2271\" data-end=\"2294\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"2295\" data-end=\"2533\"\u003e\n\u003cli data-section-id=\"x7i70d\" data-start=\"2295\" data-end=\"2335\"\u003eHigh-temperature electronic assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"444ift\" data-start=\"2336\" data-end=\"2371\"\u003eAutomotive sensors and components\u003c\/li\u003e\n\u003cli data-section-id=\"1djpfsw\" data-start=\"2372\" data-end=\"2403\"\u003eElectric motors and actuators\u003c\/li\u003e\n\u003cli data-section-id=\"cm6n5z\" data-start=\"2404\" data-end=\"2427\"\u003ePrecision engineering\u003c\/li\u003e\n\u003cli data-section-id=\"1sa1yao\" data-start=\"2428\" data-end=\"2448\"\u003eMagnetic couplings\u003c\/li\u003e\n\u003cli data-section-id=\"rb6wls\" data-start=\"2449\" data-end=\"2472\"\u003eIndustrial automation\u003c\/li\u003e\n\u003cli data-section-id=\"8bko0d\" data-start=\"2473\" data-end=\"2497\"\u003eScientific instruments\u003c\/li\u003e\n\u003cli data-section-id=\"14v5nfu\" data-start=\"2498\" data-end=\"2533\"\u003eCompact magnetic mounting systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qmgibc\" data-start=\"2535\" data-end=\"2548\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul data-start=\"2549\" data-end=\"2748\"\u003e\n\u003cli data-section-id=\"8wpcmh\" data-start=\"2549\" data-end=\"2571\"\u003eMechanical engineers\u003c\/li\u003e\n\u003cli data-section-id=\"y3n9y5\" data-start=\"2572\" data-end=\"2599\"\u003eElectronics manufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"10h21dt\" data-start=\"2600\" data-end=\"2622\"\u003eAutomotive engineers\u003c\/li\u003e\n\u003cli data-section-id=\"scifcp\" data-start=\"2623\" data-end=\"2645\"\u003eIndustrial designers\u003c\/li\u003e\n\u003cli data-section-id=\"hqt4e9\" data-start=\"2646\" data-end=\"2675\"\u003eOEM equipment manufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"tuv45w\" data-start=\"2676\" data-end=\"2699\"\u003eResearch laboratories\u003c\/li\u003e\n\u003cli data-section-id=\"1f40aq3\" data-start=\"2700\" data-end=\"2724\"\u003eAutomation specialists\u003c\/li\u003e\n\u003cli data-section-id=\"12qmxv9\" data-start=\"2725\" data-end=\"2748\"\u003ePrototype development\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"18yxrgu\" data-start=\"2750\" data-end=\"2808\"\u003eWhy Choose an N50H Epoxy Coated Neodymium Ring Magnet?\u003c\/h3\u003e\n\u003cp data-start=\"2810\" data-end=\"3258\"\u003eThe \u003cstrong data-start=\"2814\" data-end=\"2828\"\u003eN50H grade\u003c\/strong\u003e delivers outstanding magnetic strength while maintaining performance at operating temperatures of up to \u003cstrong data-start=\"2933\" data-end=\"2942\"\u003e120°C\u003c\/strong\u003e, making it ideal for demanding environments where standard neodymium magnets may begin to lose magnetic force. The \u003cstrong data-start=\"3058\" data-end=\"3081\"\u003eblack epoxy coating\u003c\/strong\u003e provides superior protection against corrosion, humidity, chemicals, and abrasion, making it particularly suitable for outdoor, marine, automotive, and industrial applications.\u003c\/p\u003e\n\u003cp data-start=\"3260\" data-end=\"3492\"\u003eIts compact dimensions and large centre hole make this magnet an excellent solution for precision mechanical assemblies, rotating components, magnetic fixtures, and space-constrained designs requiring reliable long-term performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"3494\" data-end=\"3509\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"3511\" data-end=\"3788\"\u003eThis is a \u003cstrong data-start=\"3521\" data-end=\"3556\"\u003ehigh-strength rare earth magnet\u003c\/strong\u003e and should be handled carefully to avoid pinch injuries or damage caused by magnets snapping together. Although rated for continuous operation up to \u003cstrong data-start=\"3706\" data-end=\"3715\"\u003e120°C\u003c\/strong\u003e, exceeding this temperature may permanently reduce magnetic performance.\u003c\/p\u003e\n\u003cp data-start=\"3790\" data-end=\"4043\"\u003eHolding strength is achieved under ideal conditions using a clean, flat, thick ferrous steel surface with direct face-to-face contact. Actual magnetic performance will vary depending on the application, air gap, surface finish, and mounting arrangement.\u003c\/p\u003e\n\u003cp data-start=\"4045\" data-end=\"4313\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eKeep away from children, pacemakers, implanted medical devices, sensitive electronic equipment, and magnetic storage media. Avoid drilling, machining, or subjecting the magnet to heavy impacts, as this may damage the epoxy coating or cause the magnet to chip or crack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39307470700676,"sku":"R-OD8H3ID6.1-N50HEP","price":2.24,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/R-OD8H3ID6.1-N50HEP.jpg?v=1781863260"},{"product_id":"neodymium-ring-magnet-od10-x-h3-x-id4-mm-n42","title":"Neodymium Ring Magnet OD10mm x H3mm | Hole 4mm N42","description":"\u003cp data-mce-fragment=\"1\"\u003eThis Rare Earth Neodymium Ring Magnet is 10mm in outer diameter and has an inside diameter of 4mm with a 3mm thickness. This Nickel plated ring magnet has an N42 grade and a pull force of 1.39kgs.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eRing magnets are an extremely popular shape for sign makers, or anyone wanting to use a hidden fixing method that is able to be regularly attached and detached. Sign makers have been using these magnets for years in the design of clever rotating or transitioning billboards and outdoor advertising signs.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCurtain and blind makers, along with professional interior designers find ring magnets an indispensable tool for fastening and holding fabric or soft furnishings. Magnets transfer their holding power through materials, without breaching the material itself. Able to be stitched in without damaging the textile or the magnet they are the perfect solution to keeping drapes or fabric neatly in place. These ring magnets are in constant demand, in school projects, arts and crafts and display advertising.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eNeodymium or Rare Earth magnets are the strongest permanent magnets commercially available and are the ideal magnet if you require the highest magnetic strength possible. They are up to seven times stronger than more traditional magnets such as Ferrite and Alnico magnets and come in an extensive range of sizes, shapes and grades. Rare Earth magnets are magnetically stable and have a strong resistance to demagnetization however they are not suitable for use in high temperature applications.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39307481251972,"sku":"R-OD10H3ID4","price":4.31,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/r-od10h3id4_1.jpg?v=1752623823"},{"product_id":"neodymium-ring-magnet-od14-x-h3-x-id9-mm-n38","title":"Neodymium Ring Magnet OD14mm x H3mm | Hole 9mm N38","description":"\u003ch2 data-section-id=\"1p6lxs1\" data-start=\"0\" data-end=\"53\" class=\"PDq2pG_selectionAnchorContainer\"\u003eNeodymium Ring Magnet – OD14mm x 3mm | ID9mm | N38\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"55\" data-end=\"539\"\u003eThe \u003cstrong data-start=\"59\" data-end=\"113\"\u003eNeodymium Ring Magnet – OD14mm x 3mm | ID9mm | N38\u003c\/strong\u003e is a compact, high-performance \u003cstrong data-start=\"145\" data-end=\"171\"\u003erare earth ring magnet\u003c\/strong\u003e designed for precision applications where space is limited but reliable magnetic strength is essential. Manufactured from premium \u003cstrong data-start=\"302\" data-end=\"333\"\u003eN38 grade neodymium (NdFeB)\u003c\/strong\u003e, this permanent magnet features a \u003cstrong data-start=\"368\" data-end=\"391\"\u003e14mm outer diameter\u003c\/strong\u003e, \u003cstrong data-start=\"393\" data-end=\"415\"\u003e9mm inner diameter\u003c\/strong\u003e, and \u003cstrong data-start=\"421\" data-end=\"438\"\u003e3mm thickness\u003c\/strong\u003e, making it ideal for mounting over shafts, bolts, tubes, bearings, and other cylindrical components.\u003c\/p\u003e\n\u003cp data-start=\"541\" data-end=\"959\"\u003eIts slim ring profile and generous centre hole make it particularly well suited to engineering, electronics, automation, sensors, magnetic couplings, product assembly, and custom manufacturing projects. Despite its compact size, the N38 neodymium material delivers significantly greater magnetic performance than ferrite magnets of similar dimensions, allowing for smaller, lighter, and more efficient product designs.\u003c\/p\u003e\n\u003cp data-start=\"961\" data-end=\"1275\"\u003eThe magnet is \u003cstrong data-start=\"975\" data-end=\"1023\"\u003eaxially magnetised through its 3mm thickness\u003c\/strong\u003e, with the north and south poles located on the two flat circular faces. This magnetisation provides a concentrated magnetic field for secure attachment to ferrous materials and consistent performance in positioning, holding, and locating applications.\u003c\/p\u003e\n\u003cp data-start=\"1277\" data-end=\"1677\"\u003eProtected by a durable \u003cstrong data-start=\"1300\" data-end=\"1342\"\u003enickel (Ni-Cu-Ni) triple-layer coating\u003c\/strong\u003e, the magnet offers excellent resistance to corrosion and everyday wear while maintaining a bright, polished finish. Whether you're developing prototypes, manufacturing precision equipment, or completing DIY projects, the \u003cstrong data-start=\"1564\" data-end=\"1614\"\u003eOD14mm x ID9mm x 3mm N38 Neodymium Ring Magnet\u003c\/strong\u003e provides dependable magnetic performance in a compact package.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1679\" data-end=\"1695\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1697\" data-end=\"2098\"\u003e\n\u003cli data-section-id=\"1s6bt3w\" data-start=\"1697\" data-end=\"1748\"\u003ePremium \u003cstrong data-start=\"1707\" data-end=\"1748\"\u003eN38 grade neodymium rare earth magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wq908j\" data-start=\"1749\" data-end=\"1774\"\u003e\u003cstrong data-start=\"1751\" data-end=\"1774\"\u003e14mm outer diameter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1wr1jmw\" data-start=\"1775\" data-end=\"1799\"\u003e\u003cstrong data-start=\"1777\" data-end=\"1799\"\u003e9mm inner diameter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"kodk19\" data-start=\"1800\" data-end=\"1819\"\u003e\u003cstrong data-start=\"1802\" data-end=\"1819\"\u003e3mm thickness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1k9wukw\" data-start=\"1820\" data-end=\"1862\"\u003eSlim ring profile with large centre hole\u003c\/li\u003e\n\u003cli data-section-id=\"1r6b7vf\" data-start=\"1863\" data-end=\"1905\"\u003eAxially magnetised through the thickness\u003c\/li\u003e\n\u003cli data-section-id=\"r3fo19\" data-start=\"1906\" data-end=\"1948\"\u003eStrong magnetic performance for its size\u003c\/li\u003e\n\u003cli data-section-id=\"173ooq3\" data-start=\"1949\" data-end=\"1990\"\u003eDurable nickel (Ni-Cu-Ni) plated finish\u003c\/li\u003e\n\u003cli data-section-id=\"yguljd\" data-start=\"1991\" data-end=\"2038\"\u003ePrecision manufactured for consistent quality\u003c\/li\u003e\n\u003cli data-section-id=\"hqhwen\" data-start=\"2039\" data-end=\"2098\"\u003eSuitable for industrial, commercial, and DIY applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"2100\" data-end=\"2123\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"2125\" data-end=\"2347\"\u003e\n\u003cli data-section-id=\"1sa1yao\" data-start=\"2125\" data-end=\"2145\"\u003eMagnetic couplings\u003c\/li\u003e\n\u003cli data-section-id=\"ehrq01\" data-start=\"2146\" data-end=\"2170\"\u003eElectronics assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"xyl53c\" data-start=\"2171\" data-end=\"2187\"\u003eSensor systems\u003c\/li\u003e\n\u003cli data-section-id=\"g0eet1\" data-start=\"2188\" data-end=\"2198\"\u003eRobotics\u003c\/li\u003e\n\u003cli data-section-id=\"st0e5j\" data-start=\"2199\" data-end=\"2222\"\u003ePrecision positioning\u003c\/li\u003e\n\u003cli data-section-id=\"1wzx7yo\" data-start=\"2223\" data-end=\"2244\"\u003eProduct development\u003c\/li\u003e\n\u003cli data-section-id=\"og07tv\" data-start=\"2245\" data-end=\"2267\"\u003eEngineering fixtures\u003c\/li\u003e\n\u003cli data-section-id=\"1o8izvh\" data-start=\"2268\" data-end=\"2290\"\u003eAutomation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1pp28w4\" data-start=\"2291\" data-end=\"2320\"\u003eSmall mechanical assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"6uhs0b\" data-start=\"2321\" data-end=\"2347\"\u003eHobby and maker projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qmgibc\" data-start=\"2349\" data-end=\"2362\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul data-start=\"2364\" data-end=\"2580\"\u003e\n\u003cli data-section-id=\"7d099e\" data-start=\"2364\" data-end=\"2375\"\u003eEngineers\u003c\/li\u003e\n\u003cli data-section-id=\"1a3dn4l\" data-start=\"2376\" data-end=\"2395\"\u003eProduct designers\u003c\/li\u003e\n\u003cli data-section-id=\"1qjcsvf\" data-start=\"2396\" data-end=\"2415\"\u003eOEM manufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"11efqoi\" data-start=\"2416\" data-end=\"2441\"\u003eElectronics technicians\u003c\/li\u003e\n\u003cli data-section-id=\"chem9c\" data-start=\"2442\" data-end=\"2463\"\u003eRobotics developers\u003c\/li\u003e\n\u003cli data-section-id=\"1f40aq3\" data-start=\"2464\" data-end=\"2488\"\u003eAutomation specialists\u003c\/li\u003e\n\u003cli data-section-id=\"tuv45w\" data-start=\"2489\" data-end=\"2512\"\u003eResearch laboratories\u003c\/li\u003e\n\u003cli data-section-id=\"1lr07fs\" data-start=\"2513\" data-end=\"2539\"\u003eEducational institutions\u003c\/li\u003e\n\u003cli data-section-id=\"102oeyr\" data-start=\"2540\" data-end=\"2562\"\u003eMakers and hobbyists\u003c\/li\u003e\n\u003cli data-section-id=\"1ai1zf5\" data-start=\"2563\" data-end=\"2580\"\u003eDIY enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wfcj9n\" data-start=\"2582\" data-end=\"2626\"\u003eWhy Choose an N38 Neodymium Ring Magnet?\u003c\/h3\u003e\n\u003cp data-start=\"2628\" data-end=\"2922\"\u003eThe \u003cstrong data-start=\"2632\" data-end=\"2645\"\u003eN38 grade\u003c\/strong\u003e provides excellent magnetic performance while offering a cost-effective solution for a wide variety of commercial and industrial applications. Its compact dimensions make it ideal for assemblies where installation space is limited but dependable magnetic strength is required.\u003c\/p\u003e\n\u003cp data-start=\"2924\" data-end=\"3242\"\u003eThe \u003cstrong data-start=\"2928\" data-end=\"2951\"\u003e14mm outer diameter\u003c\/strong\u003e, \u003cstrong data-start=\"2953\" data-end=\"2972\"\u003e9mm centre hole\u003c\/strong\u003e, and \u003cstrong data-start=\"2978\" data-end=\"2995\"\u003e3mm thickness\u003c\/strong\u003e create a lightweight yet versatile ring magnet that can be mounted over shafts, rods, tubes, or fasteners. This design makes it ideal for magnetic positioning systems, rotating mechanisms, locating devices, and precision engineering applications.\u003c\/p\u003e\n\u003cp data-start=\"3244\" data-end=\"3466\"\u003eThe durable nickel-plated finish helps protect the magnet against corrosion and handling damage, while the precision manufacturing process ensures consistent magnetic performance and dimensional accuracy across every unit.\u003c\/p\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"3468\" data-end=\"3496\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"3498\" data-end=\"3927\"\u003e\n\u003cli data-section-id=\"11wbjya\" data-start=\"3498\" data-end=\"3539\"\u003e\n\u003cstrong data-start=\"3500\" data-end=\"3517\"\u003eProduct Type:\u003c\/strong\u003e Neodymium Ring Magnet\u003c\/li\u003e\n\u003cli data-section-id=\"1fqlth2\" data-start=\"3540\" data-end=\"3573\"\u003e\n\u003cstrong data-start=\"3542\" data-end=\"3555\"\u003eMaterial:\u003c\/strong\u003e Neodymium (NdFeB)\u003c\/li\u003e\n\u003cli data-section-id=\"j4nl5i\" data-start=\"3574\" data-end=\"3597\"\u003e\n\u003cstrong data-start=\"3576\" data-end=\"3593\"\u003eMagnet Grade:\u003c\/strong\u003e N38\u003c\/li\u003e\n\u003cli data-section-id=\"138gwy7\" data-start=\"3598\" data-end=\"3615\"\u003e\n\u003cstrong data-start=\"3600\" data-end=\"3610\"\u003eShape:\u003c\/strong\u003e Ring\u003c\/li\u003e\n\u003cli data-section-id=\"1m70ekj\" data-start=\"3616\" data-end=\"3647\"\u003e\n\u003cstrong data-start=\"3618\" data-end=\"3642\"\u003eOuter Diameter (OD):\u003c\/strong\u003e 14mm\u003c\/li\u003e\n\u003cli data-section-id=\"bfzv32\" data-start=\"3648\" data-end=\"3678\"\u003e\n\u003cstrong data-start=\"3650\" data-end=\"3674\"\u003eInner Diameter (ID):\u003c\/strong\u003e 9mm\u003c\/li\u003e\n\u003cli data-section-id=\"yft5gp\" data-start=\"3679\" data-end=\"3708\"\u003e\n\u003cstrong data-start=\"3681\" data-end=\"3704\"\u003eThickness (Height):\u003c\/strong\u003e 3mm\u003c\/li\u003e\n\u003cli data-section-id=\"14810zk\" data-start=\"3709\" data-end=\"3776\"\u003e\n\u003cstrong data-start=\"3711\" data-end=\"3729\"\u003eMagnetisation:\u003c\/strong\u003e Axially Magnetised (through the 3mm thickness)\u003c\/li\u003e\n\u003cli data-section-id=\"1fmz6qi\" data-start=\"3777\" data-end=\"3809\"\u003e\n\u003cstrong data-start=\"3779\" data-end=\"3791\"\u003eCoating:\u003c\/strong\u003e Nickel (Ni-Cu-Ni)\u003c\/li\u003e\n\u003cli data-section-id=\"92n46\" data-start=\"3810\" data-end=\"3829\"\u003e\n\u003cstrong data-start=\"3812\" data-end=\"3825\"\u003eReusable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli data-section-id=\"jmr9f3\" data-start=\"3830\" data-end=\"3927\"\u003e\n\u003cstrong data-start=\"3832\" data-end=\"3848\"\u003eApplication:\u003c\/strong\u003e Holding, positioning, mounting, sensing, automation, and precision engineering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"3929\" data-end=\"3944\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"3946\" data-end=\"4190\"\u003eNeodymium magnets are extremely powerful for their size and should be handled carefully. They can attract steel objects or other magnets suddenly, creating pinch hazards and potentially causing the magnet to chip or crack if allowed to collide.\u003c\/p\u003e\n\u003cp data-start=\"4192\" data-end=\"4380\"\u003eThe \u003cstrong data-start=\"4196\" data-end=\"4215\"\u003e9mm centre hole\u003c\/strong\u003e is intended for mounting and positioning purposes. Avoid overtightening fasteners or applying excessive mechanical force, as neodymium magnets are hard but brittle.\u003c\/p\u003e\n\u003cp data-start=\"4382\" data-end=\"4561\"\u003eActual magnetic holding strength will vary depending on the thickness and condition of the mating steel surface, air gap, alignment, operating temperature, and application design.\u003c\/p\u003e\n\u003cp data-start=\"4563\" data-end=\"4817\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eKeep this magnet away from children, pacemakers, medical implants, magnetic storage media, and sensitive electronic devices. Do not drill, cut, or machine the magnet after manufacture, as this may permanently damage the magnet and its protective coating.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39307485511812,"sku":"R-OD14H3ID9-N38","price":5.69,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/r-od15h3id9-n35_600x_600x_2a68d680-3710-4380-a46d-adacf98030d9.png?v=1752623822"},{"product_id":"neo-ring-od20xid16xh18-5mm-n42sh-black-epoxy-multi-pole-magnetisation-high-temp-120-deg-c","title":"Neodymium Ring Magnet – 20mm (OD) x 16mm (ID) x 18.5mm (H) | N42SH | Black Epoxy Coating | Multi-Pole Magnetisation | High Temperature ≤150ºC","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – 20mm (OD) x 16mm (ID) x 18.5mm (H) | N42SH | Black Epoxy Coating | Multi-Pole Magnetisation | High Temperature\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 20mm OD x 16mm ID x 18.5mm H | N42SH\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialised, high-performance Rare Earth magnet designed for demanding technical, industrial and engineering applications requiring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emulti-pole magnetisation, elevated-temperature capability and a protective black epoxy coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42SH grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this permanent magnet combines high magnetic energy density with enhanced resistance to thermal demagnetisation compared with standard-temperature Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoutside diameter of 20mm, inside diameter of 16mm and height of 18.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnet has a hollow cylindrical design with a nominal radial wall thickness of just 2mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening allows the magnet to be incorporated into compatible shafts, sleeves, housings and specialised mechanical assemblies, making it particularly suitable for precision engineering and custom magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional ring magnets with a simple two-pole magnetic configuration, this product features \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emulti-pole magnetisation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, meaning multiple north and south magnetic poles are arranged within the magnet according to its manufactured pole pattern.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMulti-pole magnetisation is particularly useful in applications requiring a changing magnetic field as the magnet rotates or moves relative to a magnetic sensor or another component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes multi-pole ring magnets relevant to specialised applications such as rotary sensing, magnetic position detection, speed measurement, motor systems and precision magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact number of poles and their arrangement have not been specified. These details should be confirmed before selecting the magnet for a sensor, encoder or motor application.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature N42SH Neodymium Material\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42SH grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e belongs to the high-temperature SH class of Neodymium magnets, commonly associated with a maximum operating temperature of up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e150°C under suitable conditions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis provides improved thermal capability compared with many standard Neodymium grades, making the material useful for applications involving elevated operating temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, the actual safe operating temperature depends on the magnet's geometry, magnetic circuit, external demagnetising fields and operating conditions. The 150°C figure is a typical grade-class reference, not a verified temperature rating for this specific finished product.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProtective Black Epoxy Coating\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack epoxy coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing a protective surface finish and a distinctive black appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEpoxy coatings are commonly used to provide a barrier against moisture, corrosion and environmental exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe coating can also help protect the underlying Neodymium material from direct contact with surrounding components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, epoxy-coated magnets should not automatically be considered waterproof, chemically resistant or suitable for continuous outdoor exposure without application-specific verification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecialised Multi-Pole Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe multi-pole configuration distinguishes this ring magnet from standard axially or diametrically magnetised ring magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts magnetic field pattern may be suitable for detecting rotational movement, position changes or other motion-related information when used with appropriately designed magnetic sensors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm outside diameter and 16mm internal opening\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allow integration into compact mechanical systems, while the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e18.5mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides an extended cylindrical profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emulti-pole Neodymium ring magnet, N42SH high-temperature ring magnet, black epoxy Rare Earth ring magnet, multipolar NdFeB magnet, magnetic encoder ring or precision magnetic sensor ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product is designed for applications where magnetic configuration and dimensional accuracy are critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're developing a rotary sensing system, manufacturing specialised industrial equipment, designing a magnetic position detection assembly or sourcing a high-temperature magnetic component, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets N42SH Multi-Pole Neodymium Ring Magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers a specialised combination of magnetic material, ring geometry and protective coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN42SH Neodymium Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-performance Rare Earth magnetic material with enhanced thermal resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature SH Classification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Commonly associated with operating temperatures up to 150°C under suitable conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMulti-Pole Magnetisation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Multiple magnetic poles for specialised sensing and engineering applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e20mm Outside Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact external dimensions for precision assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e16mm Inside Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central opening for compatible shafts, sleeves and housings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e18.5mm Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Extended cylindrical ring profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2mm Nominal Radial Wall Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Slim annular construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBlack Epoxy Coating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Protective finish with a distinctive black appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-energy permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHollow Cylindrical Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for integration into specialised mechanical systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Does not require external electrical power.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSpecialised Industrial Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Relevant to rotary sensing, motion detection and custom magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eRotary Position Sensing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMulti-pole ring magnets can be incorporated into appropriately designed systems that detect rotational position using compatible magnetic sensors.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Encoders\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially suitable for magnetic encoder assemblies where the pole count, pole spacing and magnetic field characteristics match the sensor requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpeed and Rotation Detection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMulti-pole magnetic fields can be used with compatible sensing systems to detect rotational movement and speed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eElectric Motor Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be suitable for specialised motor-related assemblies where the magnetic configuration has been verified against the design requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIndustrial Automation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for custom automation equipment requiring magnetic position or movement detection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe compact ring geometry supports integration into specialised mechanical components and assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe N42SH grade provides enhanced thermal capability for appropriately designed elevated-temperature applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Sensor Development\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eRelevant to research, prototyping and development of custom magnetic sensing systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRobotics and Motion Control\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be incorporated into specialised motion feedback assemblies where magnetic field characteristics have been independently verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Magnetic Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for engineered applications requiring a specific ring geometry, multi-pole magnetic field and protective coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose an N42SH Multi-Pole Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eSpecialised Multi-Pole Configuration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe multiple magnetic poles make this product suitable for applications requiring more complex magnetic field patterns than conventional two-pole magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature Magnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42SH offers enhanced resistance to thermal demagnetisation compared with standard-temperature Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Ring Geometry\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 20mm outside diameter and 16mm internal opening provide a compact annular profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProtective Black Epoxy Finish\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe epoxy coating provides a protective barrier and distinctive black appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSuitable for Precision Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring shape can be incorporated into compatible mechanical housings, shafts and sleeves.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet generates a persistent magnetic field without batteries or electricity.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMulti-Pole Neodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Rare Earth Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN42SH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Classification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Temperature – SH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing \/ Hollow Cylinder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutside Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInside Diameter (ID)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight (H)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20mm OD x 16mm ID x 18.5mm H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Radial Wall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMulti-Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Magnetic Poles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePole Arrangement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack Epoxy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eColour\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical SH Grade Temperature Reference\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 150°C, subject to application conditions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVerified Maximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApproximate Annular Cross-Sectional Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e113.1mm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApproximate Magnet Volume\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2,092.3mm³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRotary Sensing, Magnetic Encoders, Industrial Automation and Precision Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOutside Diameter – 20mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures 20mm across its outer circular surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis dimension determines the external space required for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eInside Diameter – 16mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening measures 16mm in diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows the magnet to be incorporated into compatible shafts, sleeves and mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHeight – 18.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures 18.5mm along its cylindrical axis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis relatively tall ring profile distinguishes it from thin, washer-style ring magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNominal Radial Wall Thickness – 2mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe radial wall thickness is calculated as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e(20mm − 16mm) ÷ 2 = 2mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis measurement describes the nominal distance between the inner and outer cylindrical surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApproximate Annular Cross-Sectional Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring-shaped cross-section has an approximate area of:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e113.1mm²\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApproximate Magnet Volume\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBased on the specified dimensions, the approximate magnet volume is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2,092.3mm³ (2.09cm³)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese are geometric calculations and do not represent magnetic contact area, pull force or field strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does N42SH Mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eN42SH identifies the magnetic material grade and temperature classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eN42\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe N42 designation refers to the material's maximum magnetic energy product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is a high-performance Neodymium grade suitable for demanding permanent magnet applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSH\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe SH designation indicates a higher-coercivity Neodymium material designed for improved resistance to demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSH-grade Neodymium magnets are commonly associated with maximum operating temperatures of up to 150°C under suitable conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, actual thermal performance depends on the magnet's geometry, magnetic circuit, surrounding components and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N42SH does not indicate a specific pull force, surface Gauss reading or guaranteed operating temperature for every magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is Multi-Pole Magnetisation?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMulti-pole magnetisation refers to a magnetic configuration in which multiple north and south poles are formed within a single magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn conventional two-pole magnets, the magnetic field is generally arranged around one north pole and one south pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMulti-pole magnets feature a more complex magnetic field pattern with multiple pole regions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis can create repeated magnetic field changes as the magnet rotates or moves relative to a suitable magnetic sensor.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Is Multi-Pole Magnetisation Useful?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMulti-pole magnetisation can support:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRotational position detection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic encoder systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpeed measurement\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMotion sensing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic switching\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom motor applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial automation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision magnetic assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Pole Configuration Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe exact number of poles, pole spacing and magnetisation orientation have not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese specifications are essential for applications involving magnetic encoders, sensors and motors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConfirm the pole configuration and magnetic field characteristics before integrating the magnet into a precision system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMulti-Pole vs Conventional Ring Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMulti-Pole Ring Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eConventional Two-Pole Ring Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Pole Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMultiple Pole Regions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTwo Primary Poles\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Field Pattern\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApplication-Specific\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSimpler Two-Pole Arrangement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRotary Sensing Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOften Suitable\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Sensor Design\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Encoder Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCommonly Used\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApplication Dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMotor Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDesign Dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDesign Dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Field Verification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eImportant\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eImportant\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEncoders, Sensors, Motion Detection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGeneral Magnetic Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eThe correct magnet depends on the required magnetic field pattern, pole count, geometry and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is Black Epoxy Coating?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eBlack epoxy coating is a protective surface finish applied to the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Iron Boron contains iron and can be susceptible to corrosion when exposed to moisture or unsuitable environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe epoxy coating provides a protective barrier between the magnetic material and its surroundings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBenefits of Black Epoxy Coating\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProvides a protective surface finish\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHelps reduce direct environmental exposure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOffers a distinctive black appearance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCan provide additional surface protection during normal handling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSupports integration into suitable engineered assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Coating Considerations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBlack epoxy coating should not automatically be considered waterproof, chemically resistant or suitable for continuous outdoor exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCoating performance depends on thickness, integrity, temperature, chemical exposure and mechanical conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid scratching, chipping or damaging the coating during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHigh-Temperature Neodymium Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eStandard Neodymium magnets can experience irreversible magnetic performance loss when exposed to temperatures beyond their operating limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-temperature grades such as N42SH are designed with improved resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes them useful in specialised equipment where elevated temperatures may be encountered.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFactors Affecting High-Temperature Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic grade and intrinsic coercivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnet geometry\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic circuit design\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExternal demagnetising fields\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDuration of heat exposure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMechanical mounting conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCoating performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThermal cycling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe complete magnet assembly must be evaluated rather than relying solely on the grade's typical temperature classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a Multi-Pole Ring Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is manufactured from Neodymium Iron Boron and magnetised to create multiple magnetic pole regions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the magnet rotates or moves relative to a compatible magnetic sensor, the sensor may detect changes in the magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese changes can be processed by a suitably designed electronic system to determine movement, speed or position.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening allows the ring magnet to be mounted around compatible mechanical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetic field pattern must match the sensing system's design requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual performance depends on pole count, pole orientation, sensor position, air gaps, temperature and mechanical alignment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of Multi-Pole Neodymium Ring Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Magnetic Sensing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMultiple magnetic poles can be incorporated into a relatively small ring-shaped component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Motion Detection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for appropriately designed systems that monitor rotational movement and position.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh Magnetic Energy Density\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42SH Neodymium provides strong magnetic material properties within a compact volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEnhanced Thermal Capability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe SH grade offers improved resistance to thermal demagnetisation compared with standard-temperature Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProtective Surface Finish\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBlack epoxy coating helps protect the underlying magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVersatile Engineering Integration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe hollow cylindrical geometry is useful for specialised mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install an N42SH Multi-Pole Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify the 20mm outside diameter, 16mm inside diameter and 18.5mm height.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVerify Pole Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the number of poles, pole spacing and magnetic orientation required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Coating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for cracks, chips or epoxy damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Mounting Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the housing or shaft is clean and dimensionally suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Excessive Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not force the brittle magnet into an undersized mounting location.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect an Appropriate Mounting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use a suitable adhesive, retaining system or engineered housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Sensor Alignment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify positioning and air gaps where magnetic sensors are involved.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Temperature Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the complete assembly is suitable for the intended operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest Magnetic Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify the magnetic field pattern under actual operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eValidate the Finished Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm mechanical stability, sensing accuracy and thermal performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and can crack or chip if subjected to impact, bending or excessive installation pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Pole Configuration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe number and arrangement of magnetic poles determine the field pattern.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnet Dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 20mm OD, 16mm ID and 18.5mm height influence magnetic field distribution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42SH determines the material's magnetic energy characteristics and high-temperature classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe distance between the magnet and nearby sensors or magnetic components affects field strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSensor Alignment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorrect positioning can reduce sensing accuracy or prevent proper operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eElevated temperatures can affect magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eExternal Magnetic Fields\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eStrong external magnetic fields may interfere with operation or contribute to demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCoating and Mechanical Condition\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDamage to the magnet or its coating can affect long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to prevent cracking or chipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid impact with steel objects or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not bend or flex the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not drill, cut or machine the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtect the black epoxy coating from scratches and abrasion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive mechanical pressure during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep the magnet clean and free from metal filings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid prolonged moisture exposure unless environmental suitability has been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore away from strong external magnetic fields where practical.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid exceeding the verified operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect the magnet and coating periodically.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify sensor performance after installation or maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers and skin clear when positioning magnets near steel components or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can chip, crack or shatter under impact or excessive mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCoating Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Damaged epoxy coating may expose the underlying magnetic material to corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers, implanted medical devices and magnetically sensitive medical equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with certain electronic devices, sensors and magnetic storage media.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N42SH is a high-temperature grade, but the maximum operating temperature of this specific finished magnet has not been independently confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMulti-Pole Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pole count and arrangement must be verified before use in precision sensing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent testing is required before use where magnetic failure or sensing errors could create a safety risk.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is this Neodymium ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm outside diameter x 16mm inside diameter x 18.5mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat magnetic grade is this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42SH grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Rare Earth magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium magnets are a type of Rare Earth permanent magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does N42SH mean?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42 identifies the magnetic material grade, while SH indicates enhanced resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a high-temperature magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. N42SH is classified as a high-temperature Neodymium grade.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan N42SH magnets operate at 150°C?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSH-grade magnets are commonly associated with temperatures up to 150°C under suitable conditions. The verified maximum operating temperature for this specific product has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is multi-pole magnetisation?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMulti-pole magnetisation means the magnet contains multiple north and south magnetic pole regions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHow many magnetic poles does this ring magnet have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe exact number of poles has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet axially magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is specified as multi-pole magnetised. The exact pole arrangement and orientation have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be used in a magnetic encoder?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, provided the pole count, pole spacing and magnetic field characteristics match the encoder's requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be used for rotary sensing?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, it may be suitable for appropriately designed rotary sensing systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be used in electric motors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially. Suitability depends on the motor design, magnetic configuration and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the inside diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe inside diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e16mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the outside diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe outside diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the wall thickness?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal radial wall thickness is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the height?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e18.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e along its cylindrical axis.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does this magnet have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack epoxy coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs black epoxy coating corrosion resistant?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEpoxy coating provides a protective barrier, but its suitability depends on environmental exposure and coating integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA specific pull-force rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss rating?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA surface Gauss measurement has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this magnet require electricity?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a permanent magnet and generates its own magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I mount this magnet on a shaft?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially. The 16mm internal opening may accommodate a compatible shaft or sleeve, but mounting tolerances and mechanical retention must be verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I drill or machine this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets should not be drilled, cut or machined using ordinary workshop methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet suitable for outdoor use?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be used near electronic sensors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, in appropriately designed sensing systems. Its magnetic field may interfere with other nearby sensitive components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the advantage of multi-pole magnetisation?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMultiple magnetic poles can provide repeated magnetic field transitions useful for sensing rotation, movement and position.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the advantage of N42SH over standard N42?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42SH is designed for enhanced resistance to thermal demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet suitable for safety-critical applications?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitability must be independently verified through appropriate engineering assessment and testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMulti-Pole Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN42SH High-Temperature Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlack Epoxy Coated Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRare Earth Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Encoder Rings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRotary Sensor Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Cylinder Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Temperature Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision Magnetic Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Magnetic Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 20mm OD x 16mm ID x 18.5mm H | N42SH | Black Epoxy Coating | Multi-Pole Magnetisation | High Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialised Rare Earth permanent magnet intended for engineered magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42SH high-temperature Neodymium material, multi-pole magnetisation and a protective black epoxy coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact pole count, pole spacing, pole orientation, pull force, surface Gauss and verified maximum operating temperature have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough N42SH magnets are commonly associated with operating temperatures up to 150°C under suitable conditions, this should not be interpreted as a guaranteed rating for the finished product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on magnet geometry, pole configuration, temperature, air gaps, surrounding materials and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnetic pole arrangement and field characteristics before using this product in rotary encoders, sensors or motor systems. Neodymium magnets are brittle and require careful handling. Independently verify performance for demanding or safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39307488559236,"sku":"23004D","price":95.1,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23004Dr.jpg?v=1752623818"},{"product_id":"ferrite-rotor-ring-magnet-od14mm-x-id6-95mm-x-h5-5mm","title":"Ferrite Rotor Ring Magnet OD14mm x ID6.95mm x H5.5mm | Multi-pole 24 poles","description":"\u003cp\u003e\u003cem\u003eThis ferrite magnet weighs 0.005kg. Gauss580 to 650 gauss. It has an outside diameter of 14mm, an inside diameter of 6.95mm and a height of 5.5mm. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe ferrite rotor ring magnet is a highly specialized magnetic component designed for precision and efficiency. It features 24 multipoles, making it ideal for applications requiring precise magnetic alignment and performance. Weighing just 0.005kg, it is lightweight but does not compromise on strength, offering a Gauss rating between 580 and 650 Gauss. \u003c\/p\u003e\n\u003cp\u003eThis rotor ring magnet’s multipole configuration is essential in applications such as electric motors, generators and sensors, where the orientation and number of poles can significantly influence performance. The 24-pole design allows for a high degree of precision in controlling rotational speed and torque, a crucial aspect of these applications. \u003c\/p\u003e\n\u003cp\u003eThe ferrite rotor ring magnet plays a critical role in ensuring efficient and smooth operation and enables the motor to achieve higher torque at lower speeds, enhancing overall efficiency and performance. This makes it ideal for use in small electric motors found in household appliances, automotive applications, and industrial machinery. The precise magnetic fields generated by the 24 poles help reduce energy consumption and increase the longevity of the motor by minimizing wear and tear. \u003c\/p\u003e\n\u003cp\u003eGenerators also benefit from the use of this rotor ring magnet. Its high Gauss rating and multipole configuration contribute to efficient energy conversion, enabling the generator to operate at optimal performance levels. This is particularly important in applications where consistent and reliable power output is necessary, such as in backup power systems, renewable energy installations and portable generators. \u003c\/p\u003e\n\u003cp\u003eIn sensor technology, the ferrite rotor ring magnet’s ability to provide precise and stable magnetic fields makes it an invaluable device. Sensors that rely on magnetic fields for detecting motion, position, or speed can achieve higher accuracy and reliability with this type of magnet. In automotive applications, this magnet can be used in wheel speed sensors, throttle position sensors and other critical components that require precise magnetic measurements. \u003c\/p\u003e\n\u003cp\u003eThe compact size of this ferrite magnet makes it ideal for use in portable electronic devices and other space-constrained applications. Its ability to deliver strong and stable magnetic fields despite its small size means it can meet the demanding requirements of modern electronic devices without adding significant weight or bulk. \u003c\/p\u003e\n\u003cp\u003eBecause it is constructed from ferrite material, the magnet has high resistance to de-magnetization and corrosion which makes it suitable for use in harsh environments where it is exposed to temperature variations and moisture. The durability and reliability of ferrite magnets means they can withstand the rigors of demanding applications while maintaining performance. \u003c\/p\u003e\n\u003cp\u003eThe ferrite rotor ring magnet is a versatile and high-performance component suitable for a wide range of applications, with a precise magnetic alignment, high Gauss rating, and compact design making it ideal for use in electric motors, generators, sensors and various electronic devices. Whether in automotive systems, industrial machinery, or consumer electronics, this magnet provides performance, reliability efficiency and accuracy in critical applications.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39556218683524,"sku":"88966","price":5.74,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/88966.jpg?v=1781863254"},{"product_id":"neodymium-countersunk-ring-magnet-od12-7mm-x-4mm-x-c-sunk-d3-12mm","title":"Neodymium Countersunk Ring Magnet - OD12.7mm x 4mm x C\/sunk d3.12mm","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnet – 12.7mm OD x 4mm H | 3.12mm Countersunk Hole\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Countersunk Ring Magnet – 12.7mm Outer Diameter x 4mm Height | 3.12mm Countersunk Hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-strength Rare Earth permanent magnet designed for convenient screw mounting, precision engineering, magnetic closures and custom fastening applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this circular magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm outer diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecentral countersunk hole with a specified 3.12mm diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing it to be incorporated into suitable screw-mounted assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk design provides a recessed fixing point for a compatible flat-head screw, helping create a neat, low-profile installation when the screw head and countersink dimensions are correctly matched.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional solid disc magnets, this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium countersunk ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e features a central mounting opening, making it particularly useful for applications where a magnetic component needs to be mechanically secured to timber, plastic, aluminium, steel or other suitable mounting materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a compact circular magnetic profile, while the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes it suitable for shallow recesses, small fixtures, cabinet components and specialised magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are among the strongest commercially available permanent magnetic materials, offering high magnetic energy density compared with conventional Ferrite magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes them particularly useful for applications where a compact magnet is required to provide magnetic attraction without occupying excessive installation space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecountersunk mounting arrangement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows the magnet to be attached using suitable hardware, providing a practical alternative to adhesive-only mounting methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen installed correctly, the recessed screw head can help maintain a relatively unobstructed magnetic contact surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet may be used to attract a compatible steel plate, ferromagnetic component or another appropriately oriented magnet, depending on the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTypical uses include magnetic cabinet closures, removable panels, access covers, custom fixtures, equipment housings, display systems, workshop projects and precision engineering assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause the magnet is manufactured from brittle Neodymium material, care must be taken during installation. Excessive screw tightening or concentrated pressure around the countersunk opening may cause the magnet to crack or chip.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe fixing screw should be selected to match the actual hole and countersink geometry, and a suitable mounting arrangement should prevent excessive mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe supplied dimensions identify a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.12mm countersunk hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, but the full countersink profile, including the recess diameter and angle, has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese details should be confirmed before selecting a fixing screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specific Neodymium grade, pull force, surface Gauss, magnetisation direction, protective coating and maximum operating temperature have also not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic holding strength depends on the magnetic material, magnetisation direction, receiving steel thickness, air gaps, contact area, mounting configuration and load direction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm countersunk Neodymium magnet, half-inch Rare Earth ring magnet, screw-mounted Neodymium ring magnet, small countersunk magnetic fixing, countersunk disc magnet with hole or magnetic mounting ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product provides a versatile solution for compact magnetic fastening applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're creating a magnetic cabinet catch, securing a removable panel, developing a custom magnetic fixture or manufacturing a specialised component, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Countersunk Ring Magnet – OD12.7mm x 4mm x Countersunk d3.12mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers a practical combination of compact dimensions, permanent magnetic attraction and mechanical mounting capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm Outer Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact circular magnet measuring approximately half an inch across.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4mm Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low-profile design for shallow mounting applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3.12mm Countersunk Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central opening designed for compatible recessed fixing hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-strength Rare Earth permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCountersunk Mounting Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allows installation using a suitable flat-head screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Fixing Capability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for applications requiring a screw-mounted magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Magnetic Profile:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for miniature fixtures, closures and equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetism:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No batteries or electrical power required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCircular Ring Geometry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Features a central mounting opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLow-Profile Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Recessed screw mounting can help minimise protrusion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnetic Closure Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for appropriately designed cabinet catches and removable panels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Engineering Potential:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for specialised assemblies and prototypes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Mounting Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Can be secured to suitable non-magnetic or magnetic substrates.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReusable Magnetic Fastening:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for removable magnetic connections where the magnet remains mechanically fixed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Cabinet Closures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCreate compact magnetic catches for suitable cabinet doors, drawers and small enclosures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRemovable Access Panels\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSecure lightweight removable panels using an appropriately rated magnetic connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Door Catches\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into small magnetic closure systems where a screw-mounted magnet is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEquipment Housings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eProvide magnetic attachment points for suitable removable covers and components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWorkshop Fixtures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCreate compact magnetic positioning and fastening systems for custom projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDisplay and Signage Mounting\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in appropriately designed removable display components and magnetic fixtures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFurniture Manufacturing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIntegrate into cabinets, joinery and custom furniture where discreet magnetic fastening is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Prototyping\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDevelop magnetic attachment concepts for specialised products.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIncorporate into custom assemblies requiring a compact, mechanically mounted permanent magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eModel Making\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUse in securely assembled models and technical projects where a countersunk magnetic fixing is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose a Countersunk Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient Screw Mounting\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk central hole provides a practical mechanical fixing option.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact 12.7mm Diameter\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for small mounting locations and space-restricted designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLow-Profile 4mm Construction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for shallow recesses and discreet magnetic closures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStrong Rare Earth Material\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium provides high magnetic energy density relative to conventional Ferrite materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRecessed Screw Installation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA correctly matched flat-head screw can sit within the countersunk opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVersatile Magnetic Fastening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for a wide range of engineered closures, fixtures and removable components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Category\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRare Earth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Ring \/ Circular Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12.7mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpecified Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.12mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHole Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersink Recess Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersink Angle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProtective Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturing Tolerance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Screw Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRequires Verification\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFixing Screw Included\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Closures, Removable Panels, Fixtures and Screw-Mounted Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOuter Diameter – 12.7mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet has an overall outside diameter of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, equivalent to approximately half an inch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis compact size is suitable for small mounting locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHeight – 4mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4mm thick\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing a low-profile magnetic body.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCountersunk Hole – 3.12mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe specified central hole diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.12mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe hole features a countersunk design intended for compatible recessed fixing hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe complete countersink dimensions have not been supplied, so the fixing screw's head diameter and angle should be checked before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApproximate Circular Face Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe outer circular area, before allowing for the mounting hole, is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eπ × (6.35mm)² = approximately 126.68mm²\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe actual annular contact area is smaller because of the central hole and countersunk recess.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaterial Volume and Weight\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe exact magnetic material volume and weight cannot be reliably calculated from the supplied dimensions because the complete countersink geometry is unknown.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is a Neodymium Countersunk Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium countersunk ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a circular Rare Earth permanent magnet featuring a central hole with a recessed countersink.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersink is designed to accommodate suitable flat-head fixing hardware, allowing the magnet to be mechanically secured to a compatible substrate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk magnets are commonly used for magnetic closures, removable panels, cabinet fittings, fixtures and specialised mounting systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey provide an alternative to adhesive-only mounting methods where a mechanical fixing is preferred.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a Countersunk Neodymium Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Neodymium material produces a permanent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen positioned near suitable ferromagnetic steel or another appropriately oriented magnet, magnetic attraction can create a removable connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central countersunk hole allows the magnet to remain mechanically secured to the mounting surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetic connection can then be used to retain a suitable panel, cover, door or component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual holding strength depends on the magnetic grade, magnetisation direction, contact conditions and receiving material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding Magnetisation Direction\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eAxial Magnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf magnetised through its 4mm thickness, the magnetic poles are located on opposite circular faces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDiametric Magnetisation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf magnetised across its diameter, the poles are positioned on opposing sides of the circular body.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Magnetisation Matters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMagnetisation direction influences magnetic field distribution and the effectiveness of the magnetic fastening arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe magnetisation direction of this product has not been specified and should be confirmed before use in applications requiring a particular pole orientation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCountersunk Magnets vs Standard Ring Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eCountersunk Ring Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eStandard Ring Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecessed Screw Head\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDesigned for Compatible Flat-Head Screw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Usually\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMechanical Fixing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShaft, Housing or Other Retention\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClosures, Panels, Fixtures\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShafts, Sensors, Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLow-Profile Screw Mounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes, with Correct Hardware\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Design\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Performance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Material and Geometry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Material and Geometry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eCountersunk Neodymium Magnets vs Adhesive Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eCountersunk Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eAdhesive-Backed Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Screw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSuitable Adhesive\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMechanical Fixing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdhesive Bond\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRepositioning\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRemove and Refit Screw\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Adhesive\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Preparation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSuitable Fixing Point Required\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClean Bonding Surface Required\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFixtures, Closures, Panels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDisplays, Lightweight Components\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRetention Strength\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Fixing and Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Adhesive and Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install the Countersunk Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm the Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check the 12.7mm diameter, 4mm thickness and 3.12mm hole specification.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure it is free from cracks, chips or coating damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Countersink Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check the actual recess diameter and angle before selecting a screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChoose the Mounting Surface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Select a suitable substrate capable of securely retaining the fixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Fixing Point:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Drill a suitable pilot hole where required by the substrate and screw type.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePosition the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Align the countersunk hole with the fixing point.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInsert the Compatible Screw:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use a suitable flat-head fixing that matches the countersink geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTighten Carefully:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Secure the magnet without applying excessive pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck the Screw Head:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure it does not protrude in a way that interferes with the intended magnetic contact.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAlign the Receiving Component:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Position the corresponding steel plate or magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest the Connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify magnetic holding performance under expected conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect Periodically:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check the fixing and magnet for movement or damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle. Excessive screw tightening can crack the magnet. Do not use impact drivers or apply uncontrolled torque.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Holding Strength\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetic grade influences the material's magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePole orientation determines magnetic field distribution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Steel\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel thickness, composition and geometry affect attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePaint, coatings, uneven surfaces and protruding screw heads can reduce magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eContact Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFull, even contact generally improves magnetic holding strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCountersunk Opening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole and countersink reduce magnetic material volume compared with a solid disc.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoad Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDirect pull and sideways sliding loads behave differently.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMounting Stability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA loose or poorly fitted screw can affect the assembly's reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eExcessive heat can permanently reduce Neodymium magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Damage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCracks or chips may reduce structural integrity and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to prevent cracking or chipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid dropping or striking the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not drill or machine the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse correctly matched fixing hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid overtightening screws.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrevent uncontrolled collisions with other magnets or steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtect from excessive heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep dry where corrosion resistance has not been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect for cracks and coating damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck screw security periodically.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from magnetically sensitive equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore securely away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Attraction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets may chip, crack or shatter under impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eScrew Tightening:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excessive tightening can fracture the magnet around the countersunk hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers clear when magnets approach steel or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSwallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause serious internal injuries if swallowed. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers and magnetically sensitive implanted medical devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with sensitive electronic equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Limitations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCorrosion Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The protective coating has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent engineering assessment and testing are required before use where failure could cause injury or damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat are the dimensions of this countersunk Neodymium magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm in outer diameter and 4mm in thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with a specified \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.12mm countersunk hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat material is it made from?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from Neodymium Iron Boron (NdFeB).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Rare Earth magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium is a Rare Earth magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the outer diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe outer diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the thickness?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4mm thick\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the hole diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe specified hole diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.12mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the hole countersunk?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The magnet features a central countersunk hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat screw size does it accept?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe compatible screw size has not been confirmed. The full countersink diameter and angle must be checked before selecting a screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan the screw head sit flush?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA correctly matched flat-head screw may sit recessed, depending on the actual countersink geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs a screw included?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe supplied accessories have not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetic grade has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA pull-force rating has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe surface Gauss rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet axially magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does it have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe protective coating has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for magnetic cabinet closures?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, in appropriately designed magnetic closure systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for removable panels?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided the magnetic holding capacity is sufficient for the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I screw it into timber?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, using suitable fixing hardware and an appropriate pilot hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I mount it onto plastic?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided the plastic component and fixing arrangement are suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I mount it onto aluminium?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, using an appropriate mechanical fixing. Aluminium itself is not ferromagnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It attracts suitable ferromagnetic steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill it attract stainless steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly if the stainless steel grade is sufficiently magnetic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I overtighten the screw?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Excessive tightening can crack the brittle Neodymium magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I drill the magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets should not be drilled or machined.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the magnet waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for model making?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, in securely assembled projects where the magnet cannot become detached or swallowed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs it suitable for children?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Small powerful magnets present a serious swallowing hazard.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use it for safety-critical applications?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOnly after appropriate engineering verification and testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Pot Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk Pot Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Cabinet Closures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Mounting Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Fixing Accessories\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Countersunk Ring Magnet – OD12.7mm x 4mm x Countersunk d3.12mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for compact magnetic fastening and screw-mounted applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.7mm in outer diameter and 4mm in thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.12mm specified countersunk hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe complete countersink dimensions, magnetic grade, magnetisation direction, pull force, surface Gauss, protective coating, maximum operating temperature and manufacturing tolerance have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic holding performance depends on magnetic material, receiving steel, contact area, air gaps, load direction and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and must be installed carefully. Use correctly matched fixing hardware and avoid excessive tightening, impact or mechanical pressure. Small powerful magnets present a serious swallowing hazard and must be kept away from children and pets. Independent testing is required before use in safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39611577434244,"sku":"23011","price":3.16,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23011_1_600x_b359e5d7-7439-456e-bd73-d2cd22a30665.jpg?v=1752623783"},{"product_id":"neodymium-ring-magnet-od20-x-h8-x-id10-mm-n45h-high-temp-120deg-epoxy-coated","title":"Neodymium Ring Magnet OD20mm x H8mm | Hole 10mm | N45H | Epoxy Coated | High Temperature ≤120ºC","description":"\u003ch2\u003eMagnetic Product Description:\u003c\/h2\u003e\n\u003cp\u003eThis rare earth ring magnet has an outside diameter of 20mm, an inside diameter of 10mm and a thickness of 8mm. It has a pull force of 7.30 kg. \u003c\/p\u003e\n\u003ch3\u003eUses for our rare earth ring magnets:\u003c\/h3\u003e\n\u003cp\u003eYou may not think grains, like wheat and rice grown for human consumption are a perfect match for these neodymium ring 20mmx10mmx8mm epoxy coated magnets. Let us explain.\u003c\/p\u003e\n\u003cp\u003eHarvest time for grains like wheat and rice is not the end, just the beginning of the end. For the grains it is the beginning of a long journey where they will encounter a lot of metal equipment and metal products, often helped along by magnets, including ring magnets.\u003c\/p\u003e\n\u003cp\u003eIn the first instance, the grain harvesters’ long horizontal threshing blades are often held securely, but not too securely in place with the assistance of powerful ring magnets. Helping with the regulated, rhythmic operation of huge scything blades, magnets also play another vital role. Ring magnets can act as a clutch, releasing their grip at a known force or pressure should the combine harvester’s valuable and finely machined grain cutting equipment jam on something strong, like tree stump or an animal carcass.\u003c\/p\u003e\n\u003cp\u003eThis ability of controlled slippage, or clutch function provided by magnetic engagement in an emergency, prevents in the initial stages at least, the transfer of mechanical power to the valuable blades while they are jammed. Direct power while the equipment is stuck could damage the harvester’s blades or its engine or both.\u003c\/p\u003e\n\u003cp\u003eRing magnets as a failsafe or circuit breaking system is highly valued by individuals or companies liable for the repair and downtime costs. The release force of ring magnets protecting combine harvesters is comparable to the release force required for the cook to remove a saucepan from its magnetic hold above the stove: they are both known in advance. A saucepan is required to boil or steam grains like wheat, oats and rice.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":39652679385220,"sku":"23013 N45H","price":13.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23013_600x_4bd48cba-97b4-47fc-b9c6-ae3b038fa712.jpg?v=1752623780"},{"product_id":"neodymium-ring-magnet-od12-5mm-x-h3mm-x-id6mm-n38","title":"Neodymium Ring Magnet OD12.5mm x H3mm | Hole 6mm N38","description":"\u003ch2\u003e\u003cspan\u003eNeodymium Ring Magnet – OD12.5mm x ID6mm x H3mm | N38\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Ring Magnet – OD12.5mm x ID6mm x 3mm | N38\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact rare earth magnet designed for precision applications where a central mounting hole and dependable magnetic strength are required. Manufactured from high-quality \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38 grade neodymium iron boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this small ring magnet delivers strong permanent magnetic performance relative to its size.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMeasuring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.5mm in outer diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6mm in inner diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3mm in height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnet has a slim, lightweight profile that can be incorporated into small mechanical assemblies, electronic devices, sensors, magnetic couplings, prototypes, and custom products. The central hole allows the magnet to be positioned around a shaft, pin, tube, rod, bolt, or other cylindrical component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis neodymium ring magnet is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eaxially magnetised through its 3mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, meaning its north and south poles are located on the two flat annular faces. This pole orientation provides effective face-to-face attraction and makes the magnet suitable for holding, locating, switching, sensing, and coupling applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enickel-copper-nickel coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a smooth metallic finish and helps protect the neodymium material from corrosion and everyday wear. Its precise circular geometry makes this N38 ring magnet a practical choice for engineering, manufacturing, electronics, research, and DIY projects requiring a small magnet with an open centre.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003ePremium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38 grade neodymium rare earth magnet\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e12.5mm outer diameter\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e6mm inner diameter\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e3mm height\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact ring-shaped design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCentral hole for positioning around shafts, pins, rods, or tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAxially magnetised through the thickness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNorth and south poles located on the flat annular faces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNickel-copper-nickel protective coating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStrong permanent magnetic performance for its size\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMagnetic couplings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmall sensor assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectronic devices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRobotics and automation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision positioning systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMagnetic switches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShaft-mounted assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct prototypes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel making\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom magnetic components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eIdeal For\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEngineers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct designers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectronics technicians\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOEM manufacturers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRobotics developers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResearch laboratories\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEducational projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMakers and hobbyists\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaintenance technicians\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom fabrication projects\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Choose This N38 Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe ring-shaped geometry provides practical mounting and positioning advantages over a solid disc magnet. Its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6mm centre hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows it to fit around suitable shafts, pins, rods, tubes, and fasteners, making it easier to integrate into rotating components, sensors, couplings, and compact mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12.5mm outer diameter and 3mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e create a slim magnetic component that can fit into applications with restricted installation space. The broad annular faces provide useful magnetic contact while the open centre can accommodate another component or reduce the overall weight of the assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38 neodymium grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides strong magnetic performance without requiring the additional cost of higher grades where they are not necessary. This makes the magnet a commercially practical choice for prototypes, production assemblies, repairs, educational equipment, and general engineering applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium Ring Magnet\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGrade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N38\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eShape:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ring\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOuter Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12.5mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInner Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHole Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMagnetisation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Axially magnetised through the 3mm thickness\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePole Orientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e North and south poles on the flat annular faces\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCoating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nickel-Copper-Nickel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silver-coloured metallic finish\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Holding, positioning, sensing, coupling, mounting, and precision magnetic assemblies\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNeodymium magnets are extremely powerful for their size and should always be handled carefully. They may attract steel objects or other magnets suddenly, creating pinch hazards or causing the magnet to chip if an impact occurs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6mm centre hole is not countersunk\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e unless otherwise specified. Avoid overtightening fasteners or applying direct mechanical pressure to the magnet, as neodymium material is hard but brittle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eActual pull force will vary according to the thickness, grade, finish, and condition of the mating steel surface. Air gaps, coatings, uneven contact, elevated temperatures, and sideways or peeling forces can reduce magnetic holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDo not drill, cut, machine, weld, or modify this magnet. Machining may fracture the magnet, damage its protective coating, and create hazardous dust.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from children, pacemakers, medical implants, magnetic storage media, electronic devices, and other equipment that may be affected by strong magnetic fields.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":40089597051012,"sku":"23010","price":5.39,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23010_600x_14e17614-c328-4beb-8f6b-7c087e49ea5a.jpg?v=1752623733"},{"product_id":"neodymium-countersunk-ring-magnet-od12-5mm-x-6mm-c-hole-d3-d6-north","title":"Neodymium Countersunk Ring Magnet - OD12.5mm x 6mm C\/hole d3\/d6 | NORTH","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a014628-0fc0-83ec-856d-20df78f9967d-7\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a014628-0fc0-83ec-856d-20df78f9967d-7\" data-turn-id-container=\"request-6a014628-0fc0-83ec-856d-20df78f9967d-7\" data-testid=\"conversation-turn-470\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7f1279bf-a00e-4b26-bdc3-4cb50804e42d\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"k585k3\" data-start=\"0\" data-end=\"86\" class=\"PDq2pG_selectionAnchorContainer\"\u003eNeodymium Countersunk Ring Magnet – OD12.5mm x 6mm | Countersunk Hole d3\/d6 | NORTH\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"88\" data-end=\"640\"\u003eThe \u003cstrong data-start=\"92\" data-end=\"179\"\u003eNeodymium Countersunk Ring Magnet – OD12.5mm x 6mm | Countersunk Hole d3\/d6 | NORTH\u003c\/strong\u003e is a compact, high-strength \u003cstrong data-start=\"208\" data-end=\"238\"\u003erare earth mounting magnet\u003c\/strong\u003e designed for applications requiring secure screw fixing and exceptional magnetic holding power. Manufactured from premium \u003cstrong data-start=\"361\" data-end=\"393\"\u003eNeodymium Iron Boron (NdFeB)\u003c\/strong\u003e, this countersunk ring magnet features an \u003cstrong data-start=\"436\" data-end=\"466\"\u003eoutside diameter of 12.5mm\u003c\/strong\u003e, an \u003cstrong data-start=\"471\" data-end=\"524\"\u003einside hole of 3mm expanding to a 6mm countersink\u003c\/strong\u003e, allowing a standard countersunk screw to sit flush with the magnet surface for a clean, professional installation.\u003c\/p\u003e\n\u003cp data-start=\"642\" data-end=\"993\"\u003eThis version features the \u003cstrong data-start=\"668\" data-end=\"706\"\u003eNORTH pole on the countersunk face\u003c\/strong\u003e, making it ideal for applications where a specific magnetic polarity is required. It is commonly paired with the corresponding \u003cstrong data-start=\"834\" data-end=\"867\"\u003eSOUTH-pole countersunk magnet\u003c\/strong\u003e to create matching magnetic assemblies, magnetic catches, removable panels, display systems, and precision locating fixtures.\u003c\/p\u003e\n\u003cp data-start=\"995\" data-end=\"1208\"\u003eThe compact size makes this magnet perfect for cabinetry, shopfitting, signage, engineering, product design, automation, and OEM manufacturing where space is limited but strong magnetic holding force is essential.\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1414\"\u003eFinished with a durable \u003cstrong data-start=\"1234\" data-end=\"1277\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e, the magnet offers excellent protection against corrosion, oxidation, and everyday wear while maintaining a smooth, polished appearance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1416\" data-end=\"1432\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1433\" data-end=\"1838\"\u003e\n\u003cli data-section-id=\"1jm8sh5\" data-start=\"1433\" data-end=\"1491\"\u003ePremium \u003cstrong data-start=\"1443\" data-end=\"1491\"\u003erare earth neodymium countersunk ring magnet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"clve4i\" data-start=\"1492\" data-end=\"1521\"\u003e\u003cstrong data-start=\"1494\" data-end=\"1521\"\u003e12.5mm outside diameter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"11laciw\" data-start=\"1522\" data-end=\"1541\"\u003e\u003cstrong data-start=\"1524\" data-end=\"1541\"\u003e6mm thickness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"h6ndrz\" data-start=\"1542\" data-end=\"1603\"\u003e\u003cstrong data-start=\"1544\" data-end=\"1603\"\u003eCountersunk hole: 3mm through-hole with 6mm countersink\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"vrsbj\" data-start=\"1604\" data-end=\"1644\"\u003e\u003cstrong data-start=\"1606\" data-end=\"1644\"\u003eNORTH pole on the countersunk face\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1oxssgx\" data-start=\"1645\" data-end=\"1691\"\u003eFlush screw mounting for secure installation\u003c\/li\u003e\n\u003cli data-section-id=\"1t7fdud\" data-start=\"1692\" data-end=\"1723\"\u003eStrong magnetic holding power\u003c\/li\u003e\n\u003cli data-section-id=\"6fc21g\" data-start=\"1724\" data-end=\"1777\"\u003eDurable \u003cstrong data-start=\"1734\" data-end=\"1777\"\u003enickel-copper-nickel (Ni-Cu-Ni) coating\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"882x33\" data-start=\"1778\" data-end=\"1806\"\u003eCorrosion-resistant finish\u003c\/li\u003e\n\u003cli data-section-id=\"1equpbf\" data-start=\"1807\" data-end=\"1838\"\u003eLong-lasting permanent magnet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1840\" data-end=\"1863\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cul data-start=\"1864\" data-end=\"2150\"\u003e\n\u003cli data-section-id=\"169hhu3\" data-start=\"1864\" data-end=\"1890\"\u003eMagnetic cabinet catches\u003c\/li\u003e\n\u003cli data-section-id=\"xknqjv\" data-start=\"1891\" data-end=\"1919\"\u003eCupboard and door closures\u003c\/li\u003e\n\u003cli data-section-id=\"v3klmu\" data-start=\"1920\" data-end=\"1953\"\u003eShopfitting and retail displays\u003c\/li\u003e\n\u003cli data-section-id=\"z7qrpq\" data-start=\"1954\" data-end=\"1986\"\u003eExhibition and signage systems\u003c\/li\u003e\n\u003cli data-section-id=\"6cfiyg\" data-start=\"1987\" data-end=\"2012\"\u003eFurniture manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"1h6egrk\" data-start=\"2013\" data-end=\"2038\"\u003eRemovable access panels\u003c\/li\u003e\n\u003cli data-section-id=\"mvmplt\" data-start=\"2039\" data-end=\"2069\"\u003eIndustrial fixtures and jigs\u003c\/li\u003e\n\u003cli data-section-id=\"1nizfhd\" data-start=\"2070\" data-end=\"2095\"\u003eRobotics and automation\u003c\/li\u003e\n\u003cli data-section-id=\"126xvqk\" data-start=\"2096\" data-end=\"2120\"\u003eEngineering prototypes\u003c\/li\u003e\n\u003cli data-section-id=\"hqtds5\" data-start=\"2121\" data-end=\"2150\"\u003eOEM equipment manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qmgibc\" data-start=\"2152\" data-end=\"2165\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul data-start=\"2166\" data-end=\"2318\"\u003e\n\u003cli data-section-id=\"i1htbx\" data-start=\"2166\" data-end=\"2182\"\u003eCabinet makers\u003c\/li\u003e\n\u003cli data-section-id=\"6cfscc\" data-start=\"2183\" data-end=\"2208\"\u003eFurniture manufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"7d099e\" data-start=\"2209\" data-end=\"2220\"\u003eEngineers\u003c\/li\u003e\n\u003cli data-section-id=\"1a3dn4l\" data-start=\"2221\" data-end=\"2240\"\u003eProduct designers\u003c\/li\u003e\n\u003cli data-section-id=\"5vmh6v\" data-start=\"2241\" data-end=\"2254\"\u003eShopfitters\u003c\/li\u003e\n\u003cli data-section-id=\"1sm035r\" data-start=\"2255\" data-end=\"2275\"\u003eSign manufacturers\u003c\/li\u003e\n\u003cli data-section-id=\"1f40aq3\" data-start=\"2276\" data-end=\"2300\"\u003eAutomation specialists\u003c\/li\u003e\n\u003cli data-section-id=\"1ai1zf5\" data-start=\"2301\" data-end=\"2318\"\u003eDIY enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1pck6d3\" data-start=\"2320\" data-end=\"2371\"\u003eWhy Choose a Countersunk Neodymium Ring Magnet?\u003c\/h3\u003e\n\u003cp data-start=\"2373\" data-end=\"2679\"\u003eThe \u003cstrong data-start=\"2377\" data-end=\"2421\"\u003e12.5mm Countersunk Neodymium Ring Magnet\u003c\/strong\u003e provides a simple yet highly effective method of permanently mounting a powerful magnet using a countersunk screw. Unlike adhesive-mounted magnets, screw fixing provides a secure, long-lasting installation that resists vibration, movement, and repeated use.\u003c\/p\u003e\n\u003cp data-start=\"2681\" data-end=\"2940\"\u003eThe \u003cstrong data-start=\"2685\" data-end=\"2711\"\u003eNORTH-pole orientation\u003c\/strong\u003e is particularly valuable in applications requiring matched magnetic polarity, allowing designers and manufacturers to pair this magnet with its corresponding SOUTH version for controlled magnetic attraction and precise assembly.\u003c\/p\u003e\n\u003cp data-start=\"2942\" data-end=\"3156\"\u003eIts compact size and strong rare earth construction make it an excellent choice for concealed magnetic catches, precision alignment systems, removable covers, display fixtures, and industrial mounting applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"3158\" data-end=\"3186\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"3187\" data-end=\"3585\"\u003e\n\u003cli data-section-id=\"12y85oy\" data-start=\"3187\" data-end=\"3231\"\u003e\n\u003cstrong data-start=\"3189\" data-end=\"3202\"\u003eMaterial:\u003c\/strong\u003e Neodymium Iron Boron (NdFeB)\u003c\/li\u003e\n\u003cli data-section-id=\"gkhvf0\" data-start=\"3232\" data-end=\"3268\"\u003e\n\u003cstrong data-start=\"3234\" data-end=\"3244\"\u003eShape:\u003c\/strong\u003e Countersunk Ring Magnet\u003c\/li\u003e\n\u003cli data-section-id=\"haxloy\" data-start=\"3269\" data-end=\"3304\"\u003e\n\u003cstrong data-start=\"3271\" data-end=\"3297\"\u003eOutside Diameter (OD):\u003c\/strong\u003e 12.5mm\u003c\/li\u003e\n\u003cli data-section-id=\"1kdzm0i\" data-start=\"3305\" data-end=\"3325\"\u003e\n\u003cstrong data-start=\"3307\" data-end=\"3321\"\u003eThickness:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli data-section-id=\"1xnhc43\" data-start=\"3326\" data-end=\"3358\"\u003e\n\u003cstrong data-start=\"3328\" data-end=\"3354\"\u003eThrough Hole Diameter:\u003c\/strong\u003e 3mm\u003c\/li\u003e\n\u003cli data-section-id=\"1hkahhk\" data-start=\"3359\" data-end=\"3390\"\u003e\n\u003cstrong data-start=\"3361\" data-end=\"3386\"\u003eCountersink Diameter:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n\u003cli data-section-id=\"hywfqi\" data-start=\"3391\" data-end=\"3440\"\u003e\n\u003cstrong data-start=\"3393\" data-end=\"3414\"\u003ePole Orientation:\u003c\/strong\u003e NORTH on countersunk face\u003c\/li\u003e\n\u003cli data-section-id=\"8inpop\" data-start=\"3441\" data-end=\"3491\"\u003e\n\u003cstrong data-start=\"3443\" data-end=\"3461\"\u003eMagnetisation:\u003c\/strong\u003e Axial (through the thickness)\u003c\/li\u003e\n\u003cli data-section-id=\"1k697zb\" data-start=\"3492\" data-end=\"3538\"\u003e\n\u003cstrong data-start=\"3494\" data-end=\"3506\"\u003eCoating:\u003c\/strong\u003e Nickel-Copper-Nickel (Ni-Cu-Ni)\u003c\/li\u003e\n\u003cli data-section-id=\"48w55q\" data-start=\"3539\" data-end=\"3585\"\u003e\n\u003cstrong data-start=\"3541\" data-end=\"3557\"\u003eMagnet Type:\u003c\/strong\u003e Permanent Rare Earth Magnet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"3587\" data-end=\"3602\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"3604\" data-end=\"3809\"\u003eThis is a \u003cstrong data-start=\"3614\" data-end=\"3649\"\u003ehigh-strength rare earth magnet\u003c\/strong\u003e and should be handled with care. Strong neodymium magnets can snap together unexpectedly, potentially causing pinch injuries or chipping if allowed to collide.\u003c\/p\u003e\n\u003cp data-start=\"3811\" data-end=\"4055\"\u003eWhen installing, tighten screws carefully and avoid overtightening, as excessive force may crack the magnet due to the brittle nature of neodymium. Always use an appropriately sized countersunk screw that sits flush within the countersunk hole.\u003c\/p\u003e\n\u003cp data-start=\"4057\" data-end=\"4305\"\u003eHolding force is measured under ideal conditions using a clean, flat, thick mild steel surface with full face-to-face contact. Actual holding performance will vary depending on the steel thickness, air gap, mounting arrangement, and surface finish.\u003c\/p\u003e\n\u003cp data-start=\"4307\" data-end=\"4589\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eKeep away from children, pacemakers, implanted medical devices, sensitive electronic equipment, and magnetic storage media. Do not drill, machine, or strike the magnet, as neodymium magnets are hard but brittle and may fracture if subjected to impact or excessive mechanical stress.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":40797791125636,"sku":"23012B","price":3.32,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23012_n_e37c5d32-f32c-45ff-9119-977bae25cc56.jpg?v=1752623644"},{"product_id":"neodymium-countersunk-ring-magnet-6x2x3mm-countersunk-hole-d2-d4-on-both-sides","title":"Neodymium Countersunk Ring Magnet OD6mm x H3mm | C\/sunk hole d2\/d4 on BOTH sides","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnet – 6mm OD x 3mm H | Double-Sided Countersunk Hole 2mm\/4mm\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnet – 6mm Outer Diameter x 3mm Height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-strength rare earth magnet designed for precision fastening, miniature magnetic assemblies and applications where installation space is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this small but powerful ring magnet provides strong magnetic attraction relative to its size, making it suitable for engineering, electronics, model making, product development and custom magnetic fastening systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring just \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6mm in outer diameter and 3mm thick\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this miniature neodymium magnet features a central countersunk hole with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm inner diameter and 4mm countersunk diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA distinctive feature of this magnet is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edouble-sided countersunk design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with countersinking on both flat faces. This provides additional mounting flexibility, allowing the magnet to be positioned with either face outward in suitably designed fastening applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk profile is designed to accommodate an appropriately sized countersunk screw head, helping achieve a neat, low-profile installation. Due to the magnet's miniature dimensions and brittle nature, careful screw selection and installation are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional solid disc magnets, the central hole provides a mechanical fastening option, making this magnet useful for applications where adhesive mounting alone may not be preferred.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're designing miniature magnetic closures, developing a prototype or incorporating magnetic components into a compact assembly, this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6mm double-countersunk neodymium ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers a versatile solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eminiature countersunk magnet, double countersunk neodymium magnet, rare earth screw hole magnet, countersunk ring magnet or 6mm mounting magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product is suitable for a variety of precision engineering and fastening applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact 6mm Outer Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ideal for miniature magnetic assemblies and applications with limited installation space.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3mm Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low-profile design suitable for compact mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDouble-Sided Countersunk Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Countersunk on both flat faces for flexible mounting orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2mm Central Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides an opening for a suitably sized fixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4mm Countersunk Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed to accommodate a compatible countersunk screw head.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Rare Earth Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides strong magnetic attraction relative to its compact dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Fastening Option:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for applications requiring a screw-mounted magnetic component.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for miniature closures, fixtures, engineering projects and custom assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetism:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No electricity or batteries required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Ring Shape:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Practical for precision mounting and product development.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe 6mm double-sided countersunk neodymium ring magnet is suitable for a variety of applications, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMiniature magnetic closures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSmall cabinet and enclosure catches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision engineering\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduct development\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eElectronics housings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eModel making\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom magnetic fasteners\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSmall mechanical assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic positioning systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrototype development\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemovable panels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDisplay fixtures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDIY projects\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMiniature magnetic mounting systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom manufacturing applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eApplication suitability depends on the required holding force, magnetisation direction, screw dimensions and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDouble-Sided Countersunk Design\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional countersunk magnets with a recess on only one face, this magnet features \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecountersinking on both sides\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe double-sided configuration allows greater flexibility when incorporating the magnet into compact mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBenefits of Countersinking on Both Sides\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFlexible Mounting Orientation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEither flat face can be positioned outward when using a suitable fastening arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLow-Profile Installation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk recess can accommodate a compatible screw head to help minimise protrusion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Fastening Solution\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProvides a mechanical mounting option within a small magnetic component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Assembly Design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUseful for custom fixtures, miniature enclosures and precision engineering projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeat Appearance\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for applications where a compact, tidy mounting arrangement is preferred.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The countersunk hole is not threaded. Screw compatibility must be confirmed before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePowerful Neodymium Rare Earth Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are manufactured from an alloy of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium, Iron and Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and are recognised for their high magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompared with conventional ferrite magnets of similar dimensions, neodymium magnets generally provide significantly stronger magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAdvantages of Neodymium Magnets\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStrong magnetic performance relative to size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompact dimensions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePermanent magnetic field\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for precision engineering\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUseful for custom magnetic fastening\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNo external power required\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe exact magnetic grade and pull force of this product have not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMiniature 6mm Magnetic Fastening Solution\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eWith an outer diameter of only \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this countersunk ring magnet is particularly useful where larger mounting magnets cannot be accommodated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts compact size makes it suitable for precision components, small housings and miniature assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a low-profile magnetic component that can be incorporated into suitably designed recesses or mounting points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor best results, ensure the surrounding material provides adequate support and that the magnet is not subjected to excessive mechanical pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Recommendations\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are brittle by nature and require careful handling during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor applications using a countersunk screw:\u003c\/span\u003e\u003c\/p\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm that the screw shaft and head dimensions are compatible with the 2mm\/4mm countersunk hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSelect a suitable mounting surface and fastening arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePosition the magnet carefully against the intended mounting location.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInsert the compatible countersunk screw without forcing it through the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTighten gently to avoid excessive pressure on the countersunk recess.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck that the magnet is securely mounted before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not overtighten screws. Excessive pressure may crack or shatter the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA countersunk hole does not guarantee compatibility with every screw of the same nominal shaft diameter. Screw-head angle and dimensions must also be checked.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Holding Strength\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic holding performance depends on several factors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnetic Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Different neodymium grades provide different magnetic energy densities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eContact Surface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Clean, flat steel surfaces generally provide better magnetic contact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSteel Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Thin steel surfaces may provide less holding force than sufficiently thick steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAir Gaps:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Paint, coatings and spacing between the magnet and steel can reduce magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnetisation Direction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic pole orientation influences field distribution and holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLoad Direction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Direct pull force differs from sideways or shear loading.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOperating Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excessive heat can reduce magnetic strength and may cause permanent demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTesting under actual operating conditions is recommended before using the magnet in a finished assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Rare Earth Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness (H)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Hole Diameter (d)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Diameter (D)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBoth Sides\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHole Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDouble-Sided Countersunk Through-Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExternal Power Required\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMiniature Fastening, Precision Engineering and Custom Magnetic Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Pull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and may chip, crack or shatter if subjected to impact or excessive mechanical force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInstallation Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Avoid overtightening screws or applying excessive pressure to the countersunk recess.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmall Parts Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This miniature magnet presents a serious swallowing risk and must be kept away from children.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnet Ingestion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Swallowing magnets can cause life-threatening internal injuries. Seek urgent medical attention if ingestion is suspected.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Handle carefully around other magnets and ferromagnetic objects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic attraction may cause magnets to snap together unexpectedly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnets may interfere with pacemakers and other implanted medical devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep away from magnetically sensitive equipment and magnetic storage media.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMachining:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not drill, cut or machine neodymium magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Maximum operating temperature has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not use for lifting, suspended loads or safety-critical holding without appropriate engineering assessment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat are the dimensions of this countersunk ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6mm outer diameter x 3mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm central hole and 4mm countersunk diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet countersunk on both sides?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edouble-sided countersunk hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with countersinking on both flat faces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the benefit of double-sided countersinking?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt provides greater flexibility when positioning the magnet in a mounting assembly, allowing either face to be oriented outward.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is the central hole?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central through-hole measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm in diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the countersunk diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk recess measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4mm in diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be mounted using a screw?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided a compatible countersunk screw and suitable mounting arrangement are used. Screw dimensions must be checked carefully.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the central hole threaded?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a countersunk through-hole, not a threaded hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan the screw be tightened firmly?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets are brittle, and excessive tightening pressure may cause cracking or breakage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetic grade has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA specific magnetic pull-force rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet suitable for miniature magnetic closures?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It may be suitable for small magnetic fastening and closure applications, depending on the required holding force and mounting arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it be used outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability depends on the surface coating and environmental conditions. A corrosion-resistance rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this magnet require electricity?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a permanent neodymium magnet and does not require electricity or batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAre neodymium countersunk magnets fragile?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium magnets are brittle and can crack or chip if subjected to impact, excessive pressure or overtightened fasteners.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eExplore other magnetic fastening and mounting solutions, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnets in Other Sizes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk Neodymium Pot Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Magnets with Mounting Holes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRare Earth Pot Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Cabinet Catches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Fastening Products\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom Magnetic Solutions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnet – 6mm OD x 3mm H\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm central through-hole with a 4mm countersunk diameter on both sides\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe double-sided countersunk design provides flexible mounting options for miniature magnetic assemblies and precision fastening applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic grade, pull force, surface Gauss, magnetisation direction, coating and maximum operating temperature have not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle by nature. Avoid overtightening screws and keep small magnets away from children.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":40870918520964,"sku":"23027","price":3.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/products\/23027bothsodecountersunk_600x_3b3074d7-6345-4b9c-ba50-315fdad29aa4.jpg?v=1752623631"},{"product_id":"smco-countersunk-ring-magnet-20mm-x-10mm-c-sunk-hole-d5-2-south-on-c-sunk","title":"SmCo Countersunk Ring Magnet 20mm x 10mm | C\/sunk hole d5.2 | South on C\/Sunk","description":"\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan\u003e20mm x 10mm Samarium Cobalt Countersunk Magnet – YXG28 Nickel Coated\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20mm Samarium Cobalt (SmCo) Countersunk Magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from Frenergy Magnets is a high-performance rare-earth magnet designed for applications requiring excellent resistance to corrosion, demagnetisation and elevated operating temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from YXG28 grade Samarium Cobalt, this magnet delivers reliable magnetic performance in demanding environments where conventional Neodymium magnets may not be suitable. Its nickel coating provides additional surface protection, while the countersunk mounting hole allows for secure and convenient mechanical fixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSamarium Cobalt magnets are widely used in motors, generators, turbomachinery, sensors and specialist engineering applications where temperature stability and long-term magnetic performance are essential. Their excellent corrosion resistance also makes them suitable for many outdoor applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk design provides versatile mounting and magnetic configurations. Magnets with opposite poles facing each other can be used to attract and secure two surfaces, while magnets with the same poles facing each other can create a repelling, damping or shock-absorbing effect.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDiameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCountersunk Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5.2mm diameter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnet Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e YXG28 Samarium Cobalt\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCoating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nickel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePulling Force:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7.1kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnetisation Direction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Through height\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePole Orientation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e South pole on countersunk face\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExcellent resistance to corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh resistance to demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for high-temperature applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReliable magnetic performance in demanding environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNickel-coated surface for additional protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk hole for secure mechanical fixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for attracting, repelling and damping applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eElectric motors and generators.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial machinery and equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSensors and electronic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-temperature engineering applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor magnetic installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic holding and fastening systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRepelling and damping mechanisms.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Samarium Cobalt magnets offer excellent temperature stability and corrosion resistance compared with many other permanent magnet materials. However, their magnetic strength is generally lower than comparable Neodymium magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease handle carefully, as all powerful rare-earth magnets can cause injury if fingers or skin become trapped between the magnet and another magnetic surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":41588128284804,"sku":"SmCo-R001S","price":17.89,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/smco-r001_2cd99a21-f716-40a8-90b0-7ff0d6557549.jpg?v=1752623500"},{"product_id":"neodymium-ring-magnet-od16-5mm-x-h6mm-countersunk-hole-d4-5-d8-5mm-n38-black-plastic-coated","title":"Neodymium Ring Magnet OD16.5mm x H6mm | NORTH Countersunk Hole d4.5\/d8.5mm N42 | Black Plastic Coated","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – OD16.5mm x H6mm | NORTH Countersunk Hole d4.5\/d8.5mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 16.5mm Outer Diameter x 6mm Height | NORTH Countersunk Hole d4.5\/d8.5mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-strength Rare Earth mounting magnet designed for secure mechanical installation, magnetic fastening and custom magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured using \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42 grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this specialised countersunk ring magnet combines strong magnetic properties with a practical screw-mounting design and protective black plastic coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e16.5mm in outer diameter and 6mm in height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the magnet features a central countersunk mounting hole with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5mm through-hole diameter and 8.5mm countersink diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk design allows a suitably sized countersunk screw to sit within the recessed mounting area, helping create a neat, low-profile installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA distinguishing feature of this magnet is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNORTH countersunk configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The NORTH designation identifies the countersunk face as the North magnetic pole, making this magnet suitable for applications requiring a specific magnetic polarity arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis polarity distinction is particularly important when pairing magnets together or designing assemblies where magnetic attraction and repulsion must be controlled.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor applications requiring an opposing polarity configuration, a corresponding SOUTH countersunk magnet may be required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack plastic coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a protective outer layer and a discreet black finish, making the magnet suitable for applications where appearance, surface protection and integration into finished products are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe coating also helps separate the magnetic material from direct contact with surrounding surfaces. However, its resistance to moisture, chemicals, abrasion and outdoor conditions should be confirmed for the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42 magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides high magnetic energy density, allowing this compact magnet to generate strong magnetic attraction relative to its dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional Ferrite magnets, Neodymium magnets offer high magnetic performance in comparatively small sizes, making them useful for compact fastening systems and engineered assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central countersunk hole provides a convenient mechanical mounting option, reducing reliance on adhesives and allowing the magnet to be incorporated into suitable housings, brackets, panels and custom components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth pole countersunk Neodymium magnet, black plastic coated Rare Earth ring magnet, N42 countersunk mounting magnet, 16.5mm countersunk magnet or screw-fix Neodymium ring magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product is designed for applications requiring compact dimensions, controlled magnetic polarity and practical mechanical installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're creating a magnetic closure, developing a removable panel system, manufacturing a custom fixture or designing a precision magnetic assembly, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets NORTH Countersunk Neodymium Ring Magnet – OD16.5mm x H6mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a versatile combination of magnetic strength, defined polarity and convenient mounting.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN42 Neodymium Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-performance Rare Earth magnetic material with strong magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNORTH Countersunk Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e North magnetic pole located on the countersunk face.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e16.5mm Outer Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact circular design suitable for space-restricted installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e6mm Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low-profile construction for discreet mounting applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4.5mm Through-Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central opening for a compatible mounting screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e8.5mm Countersunk Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Recessed mounting area designed to accommodate a suitable countersunk screw head.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBlack Plastic Coating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Protective outer finish with a discreet black appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Mounting Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allows secure attachment using appropriate mounting hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Powerful permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDefined Magnetic Polarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for assemblies requiring controlled North and South pole orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReusable Magnetic Component:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for removable fastening and custom magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ideal for magnetic closures, mounting fixtures, cabinetry, engineering and product manufacturing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Closures and Fasteners\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for custom magnetic closures where defined polarity and mechanical mounting are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCabinet and Furniture Components\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be incorporated into appropriately designed cabinet catches, furniture fittings and concealed magnetic fastening systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRemovable Panels and Access Covers\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for mounting systems involving removable panels, covers and custom enclosures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Magnetic Fixtures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for specialised magnetic holding and positioning systems where a screw-mounted magnet is preferred.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEngineering and Product Development\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for prototypes and manufactured products requiring compact magnetic components with a defined pole orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDisplay and Exhibition Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCan be incorporated into suitable removable display fixtures and magnetic mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEquipment Housings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for custom housings and enclosures where magnetic attachment is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDIY and Workshop Projects\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for magnetic fastening, custom brackets and workshop accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Pairing Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe NORTH countersunk configuration can be paired with an appropriately oriented SOUTH pole magnet to create magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose a NORTH Countersunk Neodymium Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eDefined North Pole Orientation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is identified as the North magnetic pole, helping simplify magnetic pairing and polarity-sensitive assembly design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient Screw Mounting\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk hole allows the magnet to be mechanically secured using compatible hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProtective Black Plastic Finish\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe black plastic coating provides a discreet appearance and helps protect the underlying magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Mounting Design\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 16.5mm outer diameter and 6mm height make this magnet suitable for relatively small mounting areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Performance N42 Material\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42 Neodymium provides strong magnetic properties relative to its compact dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSuitable for Custom Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of controlled polarity, countersunk mounting and protective coating makes this magnet useful for specialised fastening systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNORTH Countersunk Neodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Rare Earth Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN42\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Ring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness (H)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThrough-Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersink Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Face Polarity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNorth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOpposite Face Polarity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack Plastic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating Colour\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Screw\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutdoor Suitability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Closures, Mounting Fixtures, Cabinetry, Engineering and Custom Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOuter Diameter – 16.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures 16.5mm across its outside circular edge.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHeight – 6mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe overall magnet height is 6mm, providing a compact mounting profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThrough-Hole Diameter – 4.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening measures 4.5mm in diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows a suitably sized mounting screw to pass through the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCountersink Diameter – 8.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk recess measures 8.5mm across its wider opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis recessed area is designed to accommodate a compatible countersunk screw head.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNORTH Countersunk Face\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the North magnetic pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe opposite face is the South magnetic pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis distinction is important when designing magnetic pairs and polarity-sensitive assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does NORTH Countersunk Mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe term \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNORTH Countersunk\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e identifies the magnetic polarity of the face containing the countersunk mounting hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor this product:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe opposite face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSouth pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhen two magnets are brought together, opposite magnetic poles attract and matching poles repel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis means the polarity orientation must be considered when designing a magnetic fastening system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor example, a NORTH countersunk magnet may be paired with an appropriately oriented SOUTH countersunk magnet so that the intended mating faces attract.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe mounting orientation and exposed pole faces should be checked before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eNORTH vs SOUTH Countersunk Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eNORTH Countersunk Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSOUTH Countersunk Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Face\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNorth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOpposite Face\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNorth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Pairing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAttracts an Opposing South Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAttracts an Opposing North Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePolarity-Specific Closures and Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePolarity-Specific Closures and Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Two magnets with matching poles facing each other will repel rather than attract.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does N42 Mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eN42 refers to the magnetic grade of the Neodymium Iron Boron material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe grade indicates the material's maximum energy product, which is a measure of magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eN42 is a high-performance Neodymium grade offering strong permanent magnetic properties for compact commercial and technical applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigher grades such as N45, N48, N50 and N52 have higher maximum energy products, but magnetic grade alone does not determine the actual holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual performance depends on magnet dimensions, magnetisation direction, receiving materials, air gaps and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N42 does not represent a specific pull force or surface Gauss measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of Black Plastic Coated Neodymium Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProtective Outer Layer\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe plastic coating provides a physical barrier between the magnet and surrounding surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDiscreet Black Appearance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe black finish is suitable for applications where visible silver-coloured magnets may be undesirable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSuitable for Finished Products\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe coating helps the magnet integrate into furniture fittings, display products and custom assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReduced Direct Surface Contact\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe plastic layer separates the underlying magnet from direct contact with mounting surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Mounting Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of protective coating and countersunk mounting makes this magnet suitable for a range of specialised products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The plastic coating does not guarantee waterproofing, chemical resistance or suitability for outdoor use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a Countersunk Neodymium Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are manufactured from an alloy of Neodymium, Iron and Boron.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring manufacturing, the material is magnetised to create a persistent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis magnet features a North pole on the countersunk face and a South pole on the opposite face.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen positioned near compatible ferromagnetic materials, such as mild steel, the magnet experiences magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen paired with another permanent magnet, it may attract or repel depending on the orientation of the magnetic poles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk hole allows the magnet to be secured mechanically while maintaining its magnetic functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install a NORTH Countersunk Neodymium Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the 16.5mm outer diameter and 6mm height suit the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Polarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm that the North countersunk face is oriented correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect Compatible Hardware:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Choose a suitable countersunk screw with a head and shank compatible with the mounting hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Mounting Surface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the receiving surface or housing is suitable for the installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePosition the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Align the central hole with the mounting point.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSecure Carefully:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tighten the screw gently without placing excessive stress on the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Over-Tightening:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excessive screw pressure may crack or damage the brittle Neodymium material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest Magnetic Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the assembly functions as intended.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The 4.5mm through-hole and 8.5mm countersink do not guarantee compatibility with every screw of a particular nominal size. Check actual screw dimensions and head geometry before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Holding Strength\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42 describes the magnetic material's maximum energy product.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnet Dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 16.5mm outer diameter and 6mm height influence the magnetic field and available holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Pole Orientation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe North and South pole arrangement determines attraction and repulsion between magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEven small gaps between magnetic surfaces can significantly reduce magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Surface\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel thickness, composition and surface condition affect magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePlastic Coating\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe protective coating introduces separation between the underlying magnet and the receiving surface, which may influence magnetic holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoading Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eResistance to direct separation may differ from resistance to sliding or shear forces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eExcessive heat can reduce magnetic performance and may cause irreversible demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to prevent chipping or cracking.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid allowing magnets to snap together or collide with steel objects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not over-tighten mounting screws.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive pressure during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not drill, cut or machine the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect the black plastic coating for damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep the magnet clean and free from metal filings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid prolonged moisture exposure unless environmental suitability has been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore magnets separately or with suitable protective spacing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse appropriate protective equipment when handling strong magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly and may cause injury if handled incorrectly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers and skin clear when positioning magnets near steel objects or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are inherently brittle and may chip, crack or shatter on impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMounting Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excessive screw tightening may damage the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePolarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm North and South pole orientation before installing magnetic pairs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers, implanted medical devices and magnetically sensitive medical equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with certain electronic devices, sensors and magnetic storage media.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSwallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause life-threatening internal injuries if swallowed, particularly when multiple magnets or a magnet and another metal object are ingested. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Limitations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The maximum operating temperature has not been confirmed for this product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent testing is required before use where magnetic failure could create a safety risk.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is this Neodymium ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e16.5mm outer diameter and 6mm high\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat grade is this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42 grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does NORTH countersunk mean?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the North magnetic pole, while the opposite face is the South magnetic pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the through-hole diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central through-hole measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the countersink diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk recess measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e across its wider opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does this magnet have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack plastic coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Rare Earth magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium magnets are a type of Rare Earth permanent magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N42 a strong magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. N42 is a high-performance Neodymium grade with strong magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I mount this magnet with a screw?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The magnet features a central countersunk mounting hole designed for compatible hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat screw size should I use?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSelect a screw based on the 4.5mm through-hole diameter, 8.5mm countersink diameter and actual screw head geometry. Confirm compatibility before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet for magnetic closures?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It may be suitable for appropriately designed magnetic closures where holding performance has been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I pair this magnet with a SOUTH countersunk magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. An appropriately oriented SOUTH countersunk magnet can provide an opposing pole for magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill two NORTH countersunk magnets attract?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf their North countersunk faces are facing each other, they will repel. Attraction occurs between opposite magnetic poles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA specific pull-force rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss rating?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA surface Gauss measurement has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet for cabinet doors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, yes. It may be incorporated into appropriately designed cabinet fastening systems, provided the holding force is sufficient.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the black plastic coating waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been specified. The coating should not be assumed to provide complete moisture protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be drilled or cut?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets are brittle and should not be drilled, cut or machined using ordinary workshop methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill this magnet attract stainless steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt depends on the stainless steel grade. Some grades are ferromagnetic, while others have little or no magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe maximum operating temperature has not been supplied for this specific magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this magnet require electricity?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a permanent magnet and produces its own magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet suitable for children?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Small powerful magnets present serious swallowing hazards and must be kept away from children.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSOUTH Countersunk Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN42 Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlack Coated Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePlastic Coated Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk Pot Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Mounting Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – OD16.5mm x H6mm | NORTH Countersunk Hole d4.5\/d8.5mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialised Rare Earth permanent magnet designed for screw-mounted magnetic fastening, custom fixtures and polarity-specific assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth magnetic pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, while the opposite face is the South pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecific pull force, surface Gauss, maximum operating temperature and outdoor suitability have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on installation conditions, receiving materials, air gaps, magnetic pole orientation and operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and require careful handling. Avoid over-tightening mounting screws. Small powerful magnets present serious swallowing hazards and must be kept away from children. Independently verify suitability for demanding or safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":41735357137028,"sku":"23008BNth","price":7.77,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/23008BNth_5.jpg?v=1752623475"},{"product_id":"neodymium-ring-magnet-od16-5mm-x-h6mm-south-countersunk-hole-d4-5-d8-5mm-n42-black-plastic-coated","title":"Neodymium Ring Magnet OD16.5mm x H6mm | SOUTH Countersunk Hole d4.5\/d8.5mm N42 | Black Plastic Coated","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – OD16.5mm x H6mm | SOUTH Countersunk Hole d4.5\/d8.5mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 16.5mm Outer Diameter x 6mm Height | SOUTH Countersunk Hole d4.5\/d8.5mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-strength Rare Earth mounting magnet designed for secure mechanical installation, magnetic fastening and custom magnetic assemblies requiring a specific magnetic pole orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42 grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this specialised countersunk ring magnet combines powerful magnetic properties with a practical screw-mounting design and protective black plastic coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e16.5mm in outer diameter and 6mm in height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnet features a central countersunk mounting hole with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5mm through-hole diameter and 8.5mm countersink diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk design allows a compatible countersunk screw to sit within the recessed mounting area, helping create a neat, low-profile installation in furniture, equipment, panels and custom magnetic products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA key feature of this magnet is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSOUTH countersunk configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The countersunk face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSouth magnetic pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, while the opposite flat face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth magnetic pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis defined polarity makes the magnet particularly useful in magnetic assemblies where the direction of attraction or repulsion must be controlled.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen paired with a corresponding \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNORTH countersunk Neodymium magnet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the two countersunk faces can attract when positioned opposite one another, provided their pole orientations are correctly aligned.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack plastic coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a protective outer layer and a discreet appearance, making this magnet suitable for applications where the mounting component may remain visible or where surface protection is desirable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe coating helps separate the underlying magnet from direct contact with surrounding surfaces. However, waterproofing, chemical resistance and outdoor suitability should not be assumed without confirmation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42 magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides high magnetic energy density, allowing this relatively small magnet to generate substantial magnetic attraction compared with many conventional Ferrite magnets of similar dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central countersunk hole provides a convenient mechanical mounting option, allowing the magnet to be secured to suitable surfaces without relying solely on adhesive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes the magnet useful for removable magnetic panels, cabinet catches, display fixtures, custom housings, workshop projects and engineered magnetic fastening systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSouth pole countersunk Neodymium magnet, N42 black coated Rare Earth ring magnet, 16.5mm screw-mount magnet, plastic coated countersunk magnet or SOUTH polarity magnetic mounting ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product offers a practical combination of magnetic performance, defined polarity and convenient installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're creating a magnetic closure, pairing opposing magnetic poles, manufacturing a removable panel system or developing a custom magnetic fixture, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets SOUTH Countersunk Neodymium Ring Magnet – OD16.5mm x H6mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a versatile solution for professional and DIY applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN42 Neodymium Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-performance Rare Earth magnetic material with strong magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSOUTH Countersunk Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e South magnetic pole located on the countersunk face.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e16.5mm Outer Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact circular design suitable for space-restricted mounting applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e6mm Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low-profile construction for discreet installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4.5mm Through-Hole:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central opening for a compatible mounting screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e8.5mm Countersink Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Recessed mounting area for a suitable countersunk screw head.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBlack Plastic Coating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Protective outer finish with a discreet black appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Mounting Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allows secure attachment using compatible mounting hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDefined Magnetic Polarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for magnetic pairs and polarity-sensitive assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Powerful permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Produces a magnetic field without batteries or electricity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for magnetic closures, removable panels, cabinetry, engineering and custom mounting systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Closures and Fasteners\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for custom magnetic fastening systems where defined polarity and mechanical mounting are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCabinet and Furniture Fittings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be incorporated into appropriately designed cabinet catches, furniture fittings and concealed magnetic closures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRemovable Panels and Access Covers\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for magnetic mounting systems involving removable panels, equipment covers and custom enclosures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Pairing Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe SOUTH countersunk face can be paired with an appropriately oriented NORTH magnetic pole to create attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Magnetic Fixtures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for specialised magnetic holding and positioning applications where a screw-mounted magnet is preferred.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRetail and Display Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCan be incorporated into removable display fixtures, promotional stands and magnetic mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEquipment Housings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for custom equipment covers, access panels and enclosures requiring removable magnetic attachment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manufacturing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for manufactured products requiring compact magnetic components with a defined pole orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDIY and Workshop Projects\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for magnetic fastening, custom brackets, storage accessories and workshop applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEngineering and Prototyping\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for testing magnetic closures, pole orientation and mechanical mounting concepts.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose a SOUTH Countersunk Neodymium Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eDefined South Pole Orientation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is identified as the South magnetic pole, allowing more predictable assembly design when magnetic polarity is important.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible with Opposing NORTH Pole Magnets\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA corresponding NORTH countersunk magnet can provide an opposing pole for magnetic attraction when the intended mating faces are aligned.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient Screw Mounting\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central countersunk hole allows the magnet to be mechanically secured using suitable hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProtective Black Plastic Finish\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe black coating provides a discreet appearance and a physical barrier around the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Mounting Dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 16.5mm outer diameter and 6mm height make this magnet suitable for relatively small mounting areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Performance N42 Material\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42 Neodymium offers strong magnetic properties relative to its compact dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSOUTH Countersunk Neodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Rare Earth Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN42\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Ring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness (H)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThrough-Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersink Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Face Polarity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOpposite Face Polarity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNorth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack Plastic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating Colour\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Countersunk Screw\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutdoor Suitability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Closures, Mounting Fixtures, Cabinetry, Engineering and Custom Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOuter Diameter – 16.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures 16.5mm across its outside circular edge.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis compact diameter makes it suitable for smaller magnetic mounting systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHeight – 6mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe overall height is 6mm, providing a relatively low-profile magnetic mounting component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThrough-Hole Diameter – 4.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central through-hole measures 4.5mm in diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is designed to accommodate a compatible mounting screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCountersink Diameter – 8.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk recess measures 8.5mm across its wider opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis recessed area is designed for a suitable countersunk screw head.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSOUTH Countersunk Face\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSouth magnetic pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe opposite flat face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth magnetic pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis distinction is important when designing magnetic pairs and polarity-sensitive assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does SOUTH Countersunk Mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe term \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSOUTH Countersunk\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e identifies the magnetic polarity of the face containing the countersunk mounting hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor this product:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSouth pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe opposite face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNorth pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOpposite magnetic poles attract, while matching poles repel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis means that the orientation of the magnetic poles must be considered when designing a magnetic fastening system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor example, a SOUTH countersunk magnet may be paired with a corresponding NORTH countersunk magnet so that the intended mating faces attract.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe mounting orientation and exposed magnetic faces should always be checked before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSOUTH vs NORTH Countersunk Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSOUTH Countersunk Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eNORTH Countersunk Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Face\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNorth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOpposite Face\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNorth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSouth Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCountersunk Hole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Pairing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAttracts an Opposing North Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAttracts an Opposing South Pole\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePolarity-Specific Closures and Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePolarity-Specific Closures and Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Two magnets with matching poles facing each other will repel rather than attract.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does N42 Mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eN42 refers to the magnetic grade of the Neodymium Iron Boron material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe grade indicates the material's maximum energy product, which is a measure of magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eN42 is a high-performance Neodymium grade offering strong permanent magnetic properties for compact commercial and technical applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigher grades such as N45, N48, N50 and N52 have higher maximum energy products, but magnetic grade alone does not determine actual holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual performance depends on magnet dimensions, magnetisation direction, receiving materials, air gaps and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N42 does not represent a specific pull force or surface Gauss measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of Black Plastic Coated Neodymium Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProtective Outer Layer\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe plastic coating provides a physical barrier between the magnet and surrounding surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDiscreet Black Appearance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe black finish is suitable for applications where visible silver-coloured magnets may be undesirable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSuitable for Finished Products\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe coating helps the magnet integrate into furniture fittings, display products and custom assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReduced Direct Surface Contact\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe plastic layer separates the underlying magnet from direct contact with mounting surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Mounting Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of protective coating and countersunk mounting makes this magnet suitable for a range of specialised products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlease note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The plastic coating does not guarantee waterproofing, chemical resistance or suitability for outdoor use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a SOUTH Countersunk Neodymium Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are manufactured from an alloy of Neodymium, Iron and Boron.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring manufacturing, the material is magnetised to create a persistent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis magnet features a South pole on the countersunk face and a North pole on the opposite face.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen positioned near compatible ferromagnetic materials, such as mild steel, the magnet experiences magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen paired with another permanent magnet, it may attract or repel depending on the orientation of the magnetic poles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk hole allows the magnet to be secured mechanically while maintaining its magnetic functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install a SOUTH Countersunk Neodymium Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the 16.5mm outer diameter and 6mm height suit the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Polarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm that the South countersunk face is oriented correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect Compatible Hardware:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Choose a suitable countersunk screw with a head and shank compatible with the mounting hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Mounting Surface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the receiving surface or housing is suitable for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePosition the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Align the central hole with the mounting point.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSecure Carefully:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tighten the screw gently without placing excessive stress on the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Over-Tightening:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excessive screw pressure may crack or damage the brittle Neodymium material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest Magnetic Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm that the assembly functions as intended.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The 4.5mm through-hole and 8.5mm countersink do not guarantee compatibility with every screw of a particular nominal size. Check actual screw dimensions and head geometry before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Holding Strength\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN42 describes the magnetic material's maximum energy product.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnet Dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 16.5mm outer diameter and 6mm height influence the magnetic field and available holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Pole Orientation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe North and South pole arrangement determines attraction and repulsion between magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEven small gaps between magnetic surfaces can significantly reduce magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Surface\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel thickness, composition and surface condition affect magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePlastic Coating\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe protective coating introduces separation between the underlying magnet and the receiving surface, which may influence magnetic holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLoading Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eResistance to direct separation may differ from resistance to sliding or shear forces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eExcessive heat can reduce magnetic performance and may cause irreversible demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to prevent chipping or cracking.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid allowing magnets to snap together or collide with steel objects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not over-tighten mounting screws.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive pressure during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not drill, cut or machine the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect the black plastic coating for damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep the magnet clean and free from metal filings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid prolonged moisture exposure unless environmental suitability has been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore magnets separately or with suitable protective spacing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse appropriate protective equipment when handling strong magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly and may cause injury if handled incorrectly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers and skin clear when positioning magnets near steel objects or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are inherently brittle and may chip, crack or shatter on impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMounting Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excessive screw tightening may damage the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePolarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm North and South pole orientation before installing magnetic pairs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers, implanted medical devices and magnetically sensitive medical equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with certain electronic devices, sensors and magnetic storage media.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSwallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause life-threatening internal injuries if swallowed, particularly when multiple magnets or a magnet and another metal object are ingested. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Limitations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The maximum operating temperature has not been confirmed for this product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent testing is required before use where magnetic failure could create a safety risk.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is this Neodymium ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e16.5mm outer diameter and 6mm high\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat grade is this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN42 grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does SOUTH countersunk mean?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the South magnetic pole, while the opposite face is the North magnetic pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the through-hole diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central through-hole measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the countersink diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk recess measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e across its wider opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does this magnet have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack plastic coating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Rare Earth magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium magnets are a type of Rare Earth permanent magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs N42 a strong magnetic grade?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. N42 is a high-performance Neodymium grade with strong magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I mount this magnet with a screw?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The magnet features a central countersunk mounting hole designed for compatible hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat screw size should I use?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSelect a screw based on the 4.5mm through-hole diameter, 8.5mm countersink diameter and actual screw head geometry. Confirm compatibility before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet for magnetic closures?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It may be suitable for appropriately designed magnetic closures where holding performance has been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I pair this magnet with a NORTH countersunk magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. An appropriately oriented NORTH countersunk magnet can provide an opposing pole for magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill two SOUTH countersunk magnets attract?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf their South countersunk faces are facing each other, they will repel. Attraction occurs between opposite magnetic poles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA specific pull-force rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss rating?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA surface Gauss measurement has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet for cabinet doors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, yes. It may be incorporated into appropriately designed cabinet fastening systems, provided the holding force is sufficient.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the black plastic coating waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been specified. The coating should not be assumed to provide complete moisture protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be drilled or cut?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets are brittle and should not be drilled, cut or machined using ordinary workshop methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill this magnet attract stainless steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt depends on the stainless steel grade. Some grades are ferromagnetic, while others have little or no magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe maximum operating temperature has not been supplied for this specific magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this magnet require electricity?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a permanent magnet and produces its own magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet suitable for children?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Small powerful magnets present serious swallowing hazards and must be kept away from children.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Countersunk Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNORTH Countersunk Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN42 Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlack Coated Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePlastic Coated Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountersunk Pot Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Mounting Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – OD16.5mm x H6mm | SOUTH Countersunk Hole d4.5\/d8.5mm | N42 | Black Plastic Coated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialised Rare Earth permanent magnet designed for screw-mounted magnetic fastening, custom fixtures and polarity-specific assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe countersunk face is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSouth magnetic pole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, while the opposite face is the North pole.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecific pull force, surface Gauss, maximum operating temperature and outdoor suitability have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on installation conditions, receiving materials, air gaps, magnetic pole orientation and operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and require careful handling. Avoid over-tightening mounting screws. Small powerful magnets present serious swallowing hazards and must be kept away from children. Independently verify suitability for demanding or safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":41735358120068,"sku":"23008BSth","price":7.77,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/black-donut_1_600x_84fd5339-841e-4383-be2d-cdba13f78bbe.jpg?v=1752623473"},{"product_id":"neodymium-ring-magnet-21xmm-od-x-14-5mm-id-x-3-2mm-h-n45h-high-temperature-120-c","title":"Neodymium Ring Magnet – 21xmm (OD) x 14.5mm (ID) x 3.2mm (H) | N45H | High Temperature 120°C","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – 21mm (OD) x 14.5mm (ID) x 3.2mm (H) | N45H | High Temperature\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 21mm OD x 14.5mm ID x 3.2mm H | N45H | High Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-performance Rare Earth magnet designed for applications requiring strong magnetic properties, a central mounting opening and enhanced resistance to elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this permanent magnet combines high magnetic energy density with improved thermal resistance compared with standard-temperature Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoutside diameter of 21mm, inside diameter of 14.5mm and height of 3.2mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnet has a low-profile ring design suitable for precision engineering, mechanical assemblies, industrial equipment and custom magnetic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening allows the magnet to be positioned around compatible shafts, sleeves, fasteners or other components, depending on the mounting requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.2mm thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a slim magnetic profile, making it particularly useful where installation depth is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H magnetic grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed to offer enhanced resistance to thermal demagnetisation, making it suitable for appropriately engineered applications involving temperatures above the limits of many standard Neodymium magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eH-grade Neodymium magnets are commonly associated with a maximum operating temperature of up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120°C under suitable conditions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. However, the actual operating limit of the finished magnet depends on its geometry, magnetic circuit and environmental conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike standard Neodymium grades, which may experience irreversible magnetic performance loss when exposed to excessive heat, N45H material is engineered with higher intrinsic coercivity to improve resistance to demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes the magnet relevant to specialised equipment, engineering prototypes, industrial assemblies and magnetic fastening systems where both compact dimensions and elevated-temperature capability are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring-shaped construction also offers a practical alternative to solid disc magnets where a central opening is required for mounting or integration into a mechanical system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-temperature Neodymium ring magnet, N45H Rare Earth ring magnet, 21mm OD ring magnet, thin Neodymium washer magnet, heat-resistant NdFeB ring magnet or precision magnetic ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product is suitable for a variety of technical and industrial applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're developing a compact magnetic assembly, designing a precision mounting system or sourcing a high-temperature Rare Earth component, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 21mm OD x 14.5mm ID x 3.2mm H | N45H\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a versatile combination of compact ring geometry, strong magnetic material and enhanced thermal capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN45H Neodymium Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-performance Rare Earth material with enhanced resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature H Classification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Commonly associated with operating temperatures up to 120°C under suitable conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e21mm Outside Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact external dimensions for precision assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e14.5mm Inside Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central opening for compatible shafts, sleeves and mounting components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3.2mm Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Slim, low-profile ring design.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3.25mm Nominal Radial Wall Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact annular construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-energy permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRing \/ Washer Shape:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for applications requiring a central opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Does not require batteries or electricity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision-Friendly Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compact mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for industrial equipment, engineering prototypes and custom magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Magnetic Energy Density:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N45H provides strong magnetic material properties within a compact volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature Magnetic Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for appropriately engineered applications where elevated temperatures may exceed the operating limits of standard Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for compact mechanical systems requiring a ring-shaped magnetic component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIndustrial Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be incorporated into specialised equipment where magnetic performance and thermal resistance are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Magnetic Fastening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for engineered fastening systems where a central opening is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Mounting Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 14.5mm internal opening allows integration with compatible shafts, sleeves and mounting components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manufacturing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for custom products requiring compact high-temperature Rare Earth magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Coupling Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be incorporated into appropriately designed magnetic coupling assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEngineering Prototypes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for testing and development of custom magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAutomation Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be used in specialised industrial automation assemblies where magnetic properties and temperature performance have been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eResearch and Development\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for experimental and technical applications requiring N45H Neodymium material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose an N45H High-Temperature Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eEnhanced Thermal Resistance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H is designed to resist thermal demagnetisation more effectively than standard-temperature Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Ring Geometry\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 21mm outside diameter and 14.5mm internal opening provide a practical annular shape.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLow-Profile 3.2mm Thickness\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe slim design is suitable for applications with limited installation depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh Magnetic Energy Density\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H Neodymium provides strong magnetic material properties within a compact volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCentral Mounting Opening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring shape allows installation around compatible mechanical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet generates a persistent magnetic field without external electrical power.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Temperature Neodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Rare Earth Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN45H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Classification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Temperature – H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing \/ Washer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutside Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInside Diameter (ID)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeight \/ Thickness (H)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.2mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21mm OD x 14.5mm ID x 3.2mm H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Radial Wall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.25mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical H Grade Temperature Reference\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 120°C, subject to application conditions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVerified Maximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApproximate Annular Face Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e181.0mm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApproximate Magnet Volume\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e579.3mm³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePrecision Engineering, High-Temperature Assemblies and Custom Magnetic Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOutside Diameter – 21mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures 21mm across its outer circular edge.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis determines the external space required for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eInside Diameter – 14.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening measures 14.5mm in diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows the magnet to be positioned around compatible mechanical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHeight – 3.2mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures 3.2mm thick.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis low-profile construction is useful for compact assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNominal Radial Wall Thickness – 3.25mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe radial wall thickness is calculated as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e(21mm − 14.5mm) ÷ 2 = 3.25mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApproximate Annular Face Area\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring-shaped face has an approximate area of:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e181.0mm²\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApproximate Magnet Volume\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBased on the specified dimensions, the approximate magnet volume is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e579.3mm³ (0.579cm³)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese are geometric calculations and do not represent magnetic pull force or surface field strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does N45H Mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eN45H identifies the magnetic grade and high-temperature classification of the Neodymium material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eN45\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe N45 designation refers to the material's maximum magnetic energy product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt indicates a high-performance Neodymium grade suitable for applications requiring high magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eH\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe H designation indicates a higher-coercivity Neodymium material designed for improved resistance to demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eH-grade Neodymium magnets are commonly associated with maximum operating temperatures of up to 120°C under suitable conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, actual thermal performance depends on magnet geometry, magnetic circuit design and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N45H does not indicate a specific pull force, surface Gauss reading or guaranteed maximum operating temperature for every finished magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHigh-Temperature Neodymium Magnets Explained\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eStandard Neodymium magnets can lose magnetic performance when exposed to temperatures beyond their operating limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-temperature grades such as N45H are manufactured with enhanced intrinsic coercivity to improve resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes them useful for applications involving elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFactors Affecting Temperature Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic grade\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnet geometry\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic circuit design\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExternal demagnetising fields\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDuration of heat exposure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOperating environment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMechanical mounting conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCoating performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThermal cycling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe complete assembly should be evaluated rather than relying solely on the grade's typical temperature classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eN45H vs Standard N45 Neodymium Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eN45H Neodymium Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eStandard N45 Neodymium Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNdFeB\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNdFeB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN45H\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN45\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Classification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Grade Temperature Reference\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 120°C\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOften Up to 80°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eResistance to Thermal Demagnetisation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEnhanced\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLower\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Energy Density\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElevated-Temperature Assemblies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGeneral Magnetic Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eActual operating limits depend on the finished magnet and application conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a Neodymium Ring Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium ring magnets are manufactured from Neodymium Iron Boron and magnetised to create a persistent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen positioned near compatible ferromagnetic materials, the magnet experiences magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen placed near another permanent magnet, attraction or repulsion depends on the orientation of the magnetic poles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening allows the magnet to be integrated into compatible mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact magnetic field distribution depends on the magnetisation direction, which has not been specified for this product.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of High-Temperature Neodymium Ring Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eEnhanced Resistance to Heat\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H material is designed to provide improved resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe material offers high magnetic energy density within a small volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLow-Profile Design\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 3.2mm thickness is useful for shallow mounting locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCentral Mounting Opening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 14.5mm internal diameter allows integration around suitable components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVersatile Engineering Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for custom assemblies, precision engineering and industrial prototypes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Function\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo batteries or electricity are required to maintain the magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install an N45H Neodymium Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify the 21mm outside diameter, 14.5mm inside diameter and 3.2mm thickness.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Magnetisation Direction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnetic pole orientation required for the application.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for cracks, chips or coating damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Mounting Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the housing or mounting surface is clean and suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Excessive Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not force the magnet into an undersized opening or housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect a Suitable Mounting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use an appropriate adhesive, retaining system or engineered housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Temperature Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the complete assembly is suitable for the intended operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest Magnetic Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify magnetic attraction and holding strength under actual operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Finished Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm mechanical stability and correct positioning.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and can crack or chip if subjected to impact, bending or excessive mechanical pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H determines the material's magnetic energy characteristics and high-temperature classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnet Dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 21mm OD, 14.5mm ID and 3.2mm height influence magnetic field distribution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe orientation of the magnetic poles affects attraction and magnetic field characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEven small gaps between the magnet and a steel surface can significantly reduce magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Surface\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel thickness, composition and surface condition influence holding performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eElevated temperatures can affect magnetic properties.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eExternal Magnetic Fields\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eStrong external magnetic fields may interfere with operation or contribute to demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCoating and Mechanical Condition\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDamage to the magnet or its coating may affect long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to prevent cracking or chipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid impact with steel objects or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not bend or flex the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not drill, cut or machine the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive mechanical pressure during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep the magnet clean and free from metal filings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid prolonged moisture exposure unless environmental suitability has been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore magnets separately or with suitable protective spacing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid exceeding the verified operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect for damage before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify performance after prolonged exposure to elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers and skin clear when positioning magnets near steel components or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can chip, crack or shatter under impact or excessive mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSwallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause life-threatening internal injuries if swallowed. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers, implanted medical devices and magnetically sensitive medical equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with certain electronic devices, sensors and magnetic storage media.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N45H is a high-temperature grade, but the maximum operating temperature of this specific finished magnet has not been independently confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent testing is required before use where magnetic failure could create a safety risk.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is this Neodymium ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21mm outside diameter x 14.5mm inside diameter x 3.2mm height\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat magnetic grade is this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Rare Earth magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Neodymium magnets are a type of Rare Earth permanent magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does N45H mean?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45 identifies the magnetic material grade, while H indicates enhanced resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a high-temperature magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. N45H is classified as a high-temperature Neodymium grade.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan N45H magnets operate at 120°C?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eH-grade magnets are commonly associated with temperatures up to 120°C under suitable conditions. The verified maximum operating temperature for this specific product has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the outside diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe outside diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the inside diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe inside diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e14.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the thickness?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.2mm thick\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the radial wall thickness?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal radial wall thickness is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.25mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet axially magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does this magnet have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe coating has not been specified in the supplied product information.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA specific pull-force rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss rating?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA surface Gauss measurement has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet in high-temperature equipment?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, provided the complete assembly has been assessed for the intended operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet for magnetic fastening?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It may be suitable for appropriately designed magnetic fastening systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I mount this magnet around a shaft?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially. The 14.5mm internal opening may accommodate a compatible shaft or sleeve, but mounting tolerances and mechanical retention must be verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet in industrial equipment?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It may be suitable for specialised industrial applications where magnetic performance and operating conditions have been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I drill or machine this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets should not be drilled, cut or machined using ordinary workshop methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this magnet require electricity?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a permanent magnet and generates its own magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be used outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOutdoor suitability has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the advantage of N45H over standard N45?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H is designed for enhanced resistance to thermal demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the advantage of the ring shape?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening allows integration around compatible mechanical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet suitable for safety-critical applications?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitability must be independently verified through appropriate engineering assessment and testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN45H High-Temperature Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Temperature Rare Earth Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRare Earth Washer Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Cylinder Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision Magnetic Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Magnetic Assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Temperature Magnetic Components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 21mm OD x 14.5mm ID x 3.2mm H | N45H | High Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialised Rare Earth permanent magnet designed for compact engineering applications requiring enhanced thermal resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet features \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H high-temperature Neodymium material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a low-profile ring design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecific magnetisation direction, coating, pull force, surface Gauss and verified maximum operating temperature have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough N45H magnets are commonly associated with operating temperatures up to 120°C under suitable conditions, this should not be interpreted as a guaranteed rating for the finished product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on magnet geometry, magnetisation direction, temperature, air gaps, receiving materials and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and require careful handling. Confirm the magnet's operating temperature and magnetic performance before use in demanding or safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":41919250497668,"sku":"23006B","price":14.39,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/23006B_bf633f1e-8fbd-4a57-87d3-fc747912c762.webp?v=1752623407"},{"product_id":"neodymium-ring-magnet-19mm-od-x-15mm-id-x-2-5mm-h-n38","title":"Neodymium Ring Magnet – 19mm (OD) x 15mm (ID) x 2.5mm (H) | N38","description":"\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan\u003eNeodymium Ring Magnet – 19mm OD x 15mm ID x 2.5mm H | N38 Rare Earth Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Ring Magnet – 19mm Outer Diameter x 15mm Inner Diameter x 2.5mm Thickness | N38\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-strength Rare Earth magnet designed for precision applications where a slim profile and central mounting hole are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN38 grade Neodymium (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this ring magnet delivers strong magnetic performance relative to its size. Its 19mm outer diameter, 15mm inner diameter and 2.5mm thickness create a lightweight, low-profile magnetic ring suitable for integration into electronic assemblies, sensors, mechanical components and custom magnetic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe large central opening allows the magnet to be positioned around compatible shafts, fasteners or other components, making it a practical choice for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eindustrial manufacturing, engineering, electronics, prototyping and DIY projects\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnet Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium Rare Earth Ring Magnet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOuter Diameter (OD):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 19mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInner Diameter (ID):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 15mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThickness (H):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.5mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMagnetic Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N38\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRing Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Central opening for integration into suitable mounting and assembly systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSlim Profile:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact 2.5mm thickness for space-restricted applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Magnetic Strength:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strong magnetic performance relative to its size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for electronics, sensors, engineering, crafts and DIY projects\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eUses and Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis N38 Neodymium Ring Magnet is suitable for a wide range of applications requiring compact magnetic components with a central opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCommon uses include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Integration into compact electronic equipment and magnetic assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSensors:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible magnetic sensing, detection and positioning systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngineering and Prototyping:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Developing custom magnetic mechanisms and experimental assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMechanical Assemblies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Positioning around suitable shafts, fasteners and other components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndustrial Manufacturing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Incorporating magnetic components into specialised equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDIY Projects:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Creating custom magnetic fixtures, mechanisms and holding systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCrafts and Model Making:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Adding magnetic functionality to suitable handmade projects\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eResearch and Development:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Testing magnetic configurations and developing precision applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInner Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN38\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Hole Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eN38 Neodymium Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN38 grade Neodymium magnets offer strong magnetic performance in a compact form, making them suitable for applications where space is limited but reliable magnetic attraction is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAs part of the Rare Earth magnet family, Neodymium magnets provide substantially greater magnetic strength relative to their size than conventional ferrite magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe actual holding force and magnetic performance of this ring magnet will depend on factors including the receiving material, contact area, air gaps, magnetisation direction and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSlim Ring Design for Precision Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWith an outer diameter of 19mm and a thickness of just 2.5mm, this Neodymium ring magnet is particularly useful in assemblies where installation space is restricted.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 15mm central opening provides flexibility for incorporating the magnet into custom designs, including suitable shaft-mounted arrangements, mechanical assemblies and electronic components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts compact dimensions make it a practical option for engineers, manufacturers and hobbyists seeking a powerful magnetic component without unnecessary bulk.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat is an N38 Neodymium Ring Magnet?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn N38 Neodymium Ring Magnet is a Rare Earth magnet manufactured from Neodymium Iron Boron material with an N38 magnetic grade. The grade indicates the material's maximum energy product classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat are the dimensions of this ring magnet?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis magnet measures 19mm in outer diameter, 15mm in inner diameter and 2.5mm in thickness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat is the central hole used for?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 15mm central opening allows the magnet to be incorporated into suitable mechanical assemblies, positioned around compatible components or integrated into custom mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this magnet suitable for sensors and electronics?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes, this ring magnet may be suitable for compatible magnetic sensors, electronic devices and precision assemblies. The required magnetic field characteristics and magnetisation direction should be verified for the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCan this magnet be used for DIY and craft projects?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Its compact size and ring shape make it suitable for a variety of DIY projects, models, prototypes and custom magnetic mechanisms.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Safety Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Rare Earth magnets are extremely strong for their size and should be handled carefully.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are brittle and may chip, crack or break if allowed to collide.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep magnets away from pacemakers, implanted medical devices and magnetically sensitive equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSmall magnets present a serious ingestion hazard. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic holding performance varies depending on the application, receiving material and air gaps.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid exposing standard Neodymium magnets to excessive temperatures, as permanent loss of magnetic strength may occur.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThe Neodymium Ring Magnet – 19mm OD x 15mm ID x 2.5mm H | N38\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a practical choice for applications requiring a compact, powerful Rare Earth magnet with a slim ring profile and central opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":41920243073156,"sku":"23006C","price":10.64,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/23006B.webp?v=1752623406"},{"product_id":"neodymium-ring-magnet-19mm-od-x-15mm-id-x-2-5mm-h-n45h-high-temperature-120-c","title":"Neodymium Ring Magnet – 19mm (OD) x 15mm (ID) x 2.5mm (H) | N45H | High Temperature 120°C","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eNeodymium Ring Magnet – 19mm OD x 15mm ID x 2.5mm H | N45H | High Temperature\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 19mm Outer Diameter x 15mm Inner Diameter x 2.5mm Height | N45H | High Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-performance Rare Earth magnet designed for applications requiring strong magnetic properties, a central mounting hole and improved resistance to elevated operating temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this specialised ring magnet combines high magnetic energy density with an H-grade material formulation designed for greater resistance to thermal demagnetisation than standard Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19mm in outer diameter, 15mm in inner diameter and 2.5mm thick\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this magnet features a slim annular profile with a large central opening. The ring-shaped geometry makes it particularly suitable for applications involving shafts, tubes, locating features, mechanical assemblies, magnetic sensors and custom mounting arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15mm central hole\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows the magnet to be positioned around compatible cylindrical components, while its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2.5mm low-profile thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes it useful for compact installations where available space is limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne of the key advantages of this magnet is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H high-temperature grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The H designation identifies a Neodymium material grade with increased intrinsic coercivity, providing improved resistance to irreversible demagnetisation at elevated temperatures compared with standard N-grade material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eN45H magnets are commonly associated with maximum operating temperatures of up to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, depending on magnet geometry, magnetic circuit, coating and operating conditions. The confirmed maximum operating temperature for this particular product should be verified before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45 magnetic energy grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides strong magnetic properties for its compact dimensions, making this magnet suitable for specialised engineering and industrial applications where both magnetic performance and temperature resistance are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts ring-shaped design provides additional installation flexibility compared with solid disc magnets, particularly where a central clearance hole is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso known as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19mm Neodymium ring magnet, N45H high-temperature Rare Earth magnet, 19x15x2.5mm NdFeB ring magnet, thin Neodymium washer magnet or heat-resistant magnetic ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this product is designed for specialised magnetic applications requiring a compact annular geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're developing a precision mechanical assembly, designing a magnetic sensor system, incorporating a magnet around a shaft or creating a custom high-temperature magnetic component, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets N45H Neodymium Ring Magnet – 19mm OD x 15mm ID x 2.5mm H\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a practical combination of magnetic energy density, specialised ring geometry and improved thermal resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eN45H High-Temperature Neodymium Grade:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for improved resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e19mm Outer Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact circular footprint suitable for precision assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e15mm Inner Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Large central opening for suitable shafts, tubes and locating components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2.5mm Thickness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Slim, low-profile ring geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-performance Rare Earth permanent magnetic material.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Magnetic Energy Density:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strong magnetic properties relative to material volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eH-Grade Intrinsic Coercivity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Improved thermal stability compared with standard N-grade Neodymium.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAnnular Ring Shape:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for applications requiring a central clearance hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact and Lightweight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Practical for space-restricted engineering applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePermanent Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Produces a magnetic field without electricity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for precision engineering, magnetic sensing, mechanical assemblies and product development.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Temperature Magnetic Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for appropriately designed magnetic systems where elevated operating temperatures require improved resistance to demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for compact engineered components, specialised magnetic fixtures and custom mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShaft and Tube Assemblies\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 15mm central opening allows the magnet to be positioned around compatible cylindrical components, subject to dimensional tolerances and mounting requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Sensors\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMay be incorporated into suitably designed magnetic sensing and position-detection systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIndustrial Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for specialised equipment requiring compact magnetic components with improved thermal stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Positioning Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for custom positioning and alignment mechanisms requiring annular magnetic geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Development and Prototyping\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for engineers and designers testing high-temperature magnetic concepts and developing custom magnetic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eScientific and Research Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for experiments involving magnetic fields, ring magnet geometry and temperature-dependent magnetic behaviour.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Magnetic Components\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe thin ring shape is useful where a central opening is required for mounting or component clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose an N45H High-Temperature Ring Magnet?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eImproved Thermal Resistance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H material is formulated with increased intrinsic coercivity to improve resistance to irreversible demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh Magnetic Energy Density\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe N45 energy grade provides strong magnetic properties in a compact Rare Earth magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLarge Central Opening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 15mm inner diameter offers clearance for suitable shafts, tubes and other cylindrical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSlim 2.5mm Profile\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe thin annular design is useful for compact mechanical assemblies and space-restricted installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVersatile Ring Geometry\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central opening provides mounting and positioning options that are not available with solid disc magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePermanent Magnetic Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet produces a persistent magnetic field without requiring electrical power.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFrenergy Magnets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Temperature Neodymium Ring Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePermanent Rare Earth Magnet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN45H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eH – High Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing \/ Annular Disc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInner Diameter (ID)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThickness \/ Height (H)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19mm OD x 15mm ID x 2.5mm H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Radial Ring Width\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePull Force\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSurface Gauss\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCoating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical H-Grade Temperature Classification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to Approximately 120°C, Application-Dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConfirmed Maximum Operating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot Specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Temperature Assemblies, Precision Engineering, Sensors and Custom Magnetic Components\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the Magnet Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eOuter Diameter – 19mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe overall outside diameter of the ring magnet measures 19mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eInner Diameter – 15mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central circular opening measures 15mm in diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows the magnet to be positioned around appropriately sized shafts, tubes or locating components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThickness – 2.5mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures 2.5mm thick, creating a slim annular profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRadial Ring Width – 2mm\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal radial distance between the outer edge and inner hole is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e(19mm − 15mm) ÷ 2 = 2mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis provides a relatively narrow magnetic ring surrounding the central opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Pole Orientation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRing magnets can be manufactured with different magnetisation configurations, including axial, diametric and radial arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConfirm the required north and south pole orientation before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does N45H Mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eN45H identifies both the magnetic energy grade and temperature classification of the Neodymium material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eN45 – Magnetic Energy Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe N45 designation indicates a high-performance Neodymium magnetic material with strong magnetic energy density.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eH – High-Temperature Classification\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe H suffix indicates increased intrinsic coercivity, providing improved resistance to irreversible demagnetisation at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes N45H material more suitable than standard N45 material for certain applications involving increased operating temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, the H designation does not guarantee that every N45H magnet can operate continuously at the same maximum temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual temperature capability depends on:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnet dimensions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetisation direction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic circuit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOperating temperature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExternal magnetic fields\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCoating and environmental conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The maximum operating temperature for this specific product should be confirmed before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHigh-Temperature Neodymium Magnet Grades Explained\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are available in different temperature classifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eNeodymium Grade Classification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eCommonly Quoted Maximum Operating Temperature*\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandard N Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 80°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eM Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 100°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eH Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 120°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSH Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 150°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUH Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 180°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEH Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 200°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eThese are general industry classifications rather than guaranteed limits for an individual magnet. Actual operating temperature depends on magnet geometry, magnetic circuit, coating and application conditions.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H grade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for applications requiring greater thermal stability than standard Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow Does a Neodymium Ring Magnet Work?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are manufactured from an alloy of Neodymium, Iron and Boron.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring manufacturing, the material is magnetised to create a persistent magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring shape provides a central opening while maintaining magnetic material around the circumference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the magnetisation direction, the magnetic field may be oriented through the thickness, across the diameter or in another specified arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen placed near compatible ferromagnetic materials, such as mild steel, the magnet experiences magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen positioned near another permanent magnet, it may attract or repel depending on the orientation of the magnetic poles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ring geometry can be useful in applications where magnetic functionality must be incorporated around a shaft, tube or central component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of Thin Neodymium Ring Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eCompact Annular Design\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 19mm outer diameter and 2.5mm thickness make this magnet suitable for compact assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCentral Clearance Hole\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 15mm inner diameter provides space for compatible cylindrical components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh Magnetic Energy Density\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H Neodymium provides strong magnetic properties relative to material volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImproved Thermal Stability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe H-grade material offers improved resistance to thermal demagnetisation compared with standard Neodymium grades.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFlexible Installation Options\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ring geometry can be incorporated into custom housings and mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePractical for Product Development\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUseful for testing specialised magnetic concepts before finalising a design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eNeodymium Ring Magnets vs Neodymium Disc Magnets\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eNeodymium Ring Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eNeodymium Disc Magnet\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnnular Ring\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSolid Circular Disc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Opening\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShaft Clearance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePossible\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRequires Separate Mounting Arrangement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShaft Assemblies, Sensors, Custom Mechanisms\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Closures, General Holding, Positioning\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Field\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Magnetisation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDepends on Magnetisation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Options\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCan Accommodate Central Components\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically Mounted by Face or Housing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eRing magnets are particularly useful where a central opening is required as part of the mechanical design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Install a 19mm x 15mm x 2.5mm Ring Magnet\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the 19mm outer diameter, 15mm inner diameter and 2.5mm thickness suit the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCheck Dimensional Tolerances:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm sufficient clearance for shafts, tubes and mounting components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVerify Magnetisation Direction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Identify the magnetic pole orientation required for the assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInspect the Magnet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check for cracks, chips or coating damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare the Mounting Surface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure the housing or receiving surface is clean and suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelect an Appropriate Mounting Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use a compatible adhesive, purpose-designed housing or suitable mechanical retention system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvoid Excessive Pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Do not force the magnet onto an oversized shaft or into an undersized recess.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVerify Temperature Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm the magnet and mounting materials are suitable for the intended operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTest the Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify magnetic and mechanical performance under actual operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and should not be drilled, cut, machined or subjected to excessive mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactors Affecting Magnetic Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetic Grade\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45H describes the magnetic material's energy grade and high-temperature classification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnet Dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 19mm outer diameter, 15mm inner diameter and 2.5mm thickness influence the magnetic field and available holding force.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMagnetisation Direction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe orientation of the magnetic poles affects magnetic attraction and field distribution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eElevated temperatures can reduce magnetic performance and may cause irreversible demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Gaps\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEven small gaps between the magnet and a receiving surface can significantly reduce magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eReceiving Surface\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSteel thickness, composition and surface condition affect magnetic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCoating\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe coating influences corrosion protection and environmental suitability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eExternal Magnetic Fields\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eStrong opposing magnetic fields can affect magnetic performance, particularly at elevated temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical Loading\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium magnets are brittle and should not be subjected to excessive mechanical stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHandle carefully to prevent chipping or cracking.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid allowing magnets to snap together or collide with steel objects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not drill, cut or machine the magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive pressure during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not force the magnet onto shafts or mounting components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep the magnet clean and free from metal filings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid prolonged moisture exposure unless environmental suitability has been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify operating temperature requirements before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore magnets separately or with suitable protective spacing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect for damage before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse appropriate protective equipment when handling strong magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStrong Magnetic Field:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets can attract ferromagnetic objects unexpectedly and may cause injury if handled incorrectly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePinch Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep fingers and skin clear when positioning magnets near steel objects or other magnets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrittle Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are inherently brittle and may chip, crack or shatter on impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Temperature Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Although N45H is a high-temperature grade, the maximum operating temperature for this specific product must be verified before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMedical Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep magnets away from pacemakers, implanted medical devices and magnetically sensitive medical equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Magnetic fields may interfere with certain electronic devices, sensors and magnetic storage media.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSwallowing Hazard:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Small powerful magnets can cause life-threatening internal injuries if swallowed, particularly when multiple magnets or a magnet and another metal object are ingested. Keep away from children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSafety-Critical Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Independent testing is required before use where magnetic failure could create a safety risk.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is this Neodymium ring magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19mm outer diameter, 15mm inner diameter and 2.5mm thick\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat grade is this magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt is manufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eN45H grade Neodymium Iron Boron (NdFeB)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat does N45H mean?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eN45 identifies the magnetic energy grade, while H indicates a high-temperature material classification with increased intrinsic coercivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a high-temperature Neodymium magnet?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. N45H is a high-temperature Neodymium grade designed for improved resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the maximum operating temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eH-grade Neodymium magnets are commonly associated with operating temperatures up to approximately 120°C, but the confirmed maximum temperature for this specific magnet has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the outer diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe outer diameter is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e19mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the inner diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe central hole measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the thickness?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnet is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2.5mm thick\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the radial width of the ring?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal radial ring width is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet axially magnetised?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe magnetisation direction has not been specified. Confirm the pole orientation before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the pull force?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA specific pull-force rating has not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the surface Gauss rating?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA surface Gauss measurement has not been provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet fit around a 15mm shaft?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe nominal hole diameter is 15mm, but actual fit depends on manufacturing tolerances, shaft dimensions and required clearance. A press fit is not recommended without an appropriate engineering design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet for magnetic sensors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotentially, yes. Suitability depends on the sensor design, magnetisation direction and magnetic field requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this magnet in industrial equipment?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided the magnetic, mechanical, thermal and environmental requirements have been verified.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I glue this magnet into a housing?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. A compatible adhesive may be used, provided it is suitable for the magnet's coating and intended operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this magnet be drilled or cut?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Neodymium magnets are brittle and should not be drilled, cut or machined using ordinary workshop methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill this magnet attract stainless steel?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt depends on the stainless steel grade. Some grades are ferromagnetic, while others have little or no magnetic attraction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet waterproof?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWaterproof performance has not been specified. Environmental suitability depends on the coating and installation conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat coating does this magnet have?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe coating has not been specified in the supplied product information.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this magnet require electricity?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is a permanent magnet and produces its own magnetic field.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this magnet suitable for children?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Small powerful magnets present serious swallowing hazards and must be kept away from children.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRelated Products\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Temperature Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eN45H Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThin Neodymium Ring Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Disc Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Cylinder Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeodymium Block Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSH Grade Neodymium Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMagnetic Sensor Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Rare Earth Magnets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePlease Note\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrenergy Magnets Neodymium Ring Magnet – 19mm OD x 15mm ID x 2.5mm H | N45H | High Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialised Rare Earth permanent magnet designed for applications requiring compact annular geometry and improved resistance to thermal demagnetisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eH-grade Neodymium magnets are commonly associated with maximum operating temperatures of approximately 120°C, but this is not a guaranteed rating for the specific product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecific pull force, surface Gauss, magnetisation direction, coating and confirmed maximum operating temperature have not been supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual magnetic performance depends on installation conditions, magnetisation direction, receiving materials, air gaps and operating temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Neodymium magnets are brittle and require careful handling. Small powerful magnets present serious swallowing hazards and must be kept away from children. Independently verify suitability for high-temperature, demanding or safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":41920248381572,"sku":"23006D","price":11.91,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/23006B_9e241834-93c6-467c-ae8c-977a3625d715.webp?v=1752623405"},{"product_id":"neodymium-ring-magnet-17mm-od-x-4mm-id-x-5mm-h","title":"Neodymium Ring Magnet - 17mm (OD) x 4mm (ID) x 5mm (H)","description":"\u003cp\u003eSmall yet incredibly powerful, this Neodymium Ring Magnet is engineered for high-performance applications. With an outer diameter of 17mm, an inner diameter of 4mm, and a height of 5mm, this compact magnet packs an impressive magnetic pull, making it a go-to choice for precision projects. This product is identified by product code \u003cmeta charset=\"utf-8\"\u003e93477.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications:\u003c\/h3\u003e\n\u003cp\u003eEngineering \u0026amp; Manufacturing – Ideal for fastening, securing, and positioning components in machinery, electronics, and automation systems.\u003cbr\u003e\u003cbr\u003eMagnetic Closures – Commonly used in cabinets, doors, and cases for seamless, invisible fastening.\u003cbr\u003e\u003cbr\u003eDIY \u0026amp; Crafting – Perfect for model making, jewellery, and custom magnetised solutions.\u003cbr\u003e\u003cbr\u003eSensors \u0026amp; Reed Switches – Frequently used in electronic devices for detecting movement and positioning.\u003cbr\u003e\u003cbr\u003eEducational \u0026amp; Scientific Experiments – A great tool for demonstrating magnetic properties in physics experiments.\u003c\/p\u003e\n\u003cp\u003eCrafted from premium Rare Earth Neodymium (NdFeB) material, this ring magnet delivers superior strength in a compact size. Whether you're a professional engineer or a creative DIY enthusiast, this magnet provides reliable performance in a variety of settings.\u003c\/p\u003e\n\u003cp\u003eNeed a custom size or bulk order? Get in touch with us today!\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":44821603156100,"sku":"93477","price":15.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/93477.jpg?v=1752623285"},{"product_id":"ferrite-ring-magnet-20mm-od-x-4-5mm-id-x-7mm-h-i-y30bh","title":"Ferrite Ring Magnet – 20mm (OD) x 4.5mm (ID) x 7mm (H) | Y30BH","description":"\u003cp class=\"\"\u003eThis Ferrite Ring Magnet features a 20mm outer diameter, 4.5mm inner diameter, and 7mm thickness, manufactured to the Y30BH grade standard for reliable and consistent magnetic performance. Known for their affordability and durability, ceramic ring magnets like this one are a cost-effective solution for a wide range of magnetic applications.\u003c\/p\u003e\n\u003cp class=\"\"\u003eDespite a central hole reducing magnetic strength slightly, this design enhances versatility and makes it easy to integrate into assemblies or mount onto shafts, rods, or bolts. It is identified by part number 13087.\u003c\/p\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"\"\u003eDimensions: 20mm (OD) x 4.5mm (ID) x 7mm (H)\u003c\/p\u003e\n\u003cp class=\"\"\u003eMaterial: Hard Ferrite (Ceramic)\u003c\/p\u003e\n\u003cp class=\"\"\u003eGrade: Y30BH\u003c\/p\u003e\n\u003cp class=\"\"\u003ePart Number: 13087\u003c\/p\u003e\n\u003cp class=\"\"\u003eDurable, corrosion-resistant, and economical\u003c\/p\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eCommon Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"\"\u003eLoudspeakers: Popular in speaker construction for reliable magnetic performance\u003c\/p\u003e\n\u003cp class=\"\"\u003eMRI equipment and torque drives: Used in precision electronic and mechanical systems\u003c\/p\u003e\n\u003cp class=\"\"\u003eDIY and educational projects: Loved by hobbyists for their budget-friendly price and ease of use\u003c\/p\u003e\n\u003cp class=\"\"\u003eIdeal for industrial use, engineering prototypes, and magnetic experiments, this ferrite ring magnet delivers solid performance at a low cost. Whether you're building a new product or repairing existing equipment, this magnet is a smart choice for consistent results.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":50572228722820,"sku":"13087","price":1.85,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/13087_2.png?v=1752623281"},{"product_id":"neo-ring-od20xid12x5mm-n38","title":"Neodymium Ring Magnet – 20mm (OD) x 12mm (ID) x 5mm (H) | N38","description":"\u003cp data-start=\"204\" data-end=\"559\"\u003eThis Neodymium Ring Magnet (20mm outer diameter x 12mm inner diameter x 5mm thick) is manufactured from high-performance Grade N38 rare earth material, delivering exceptional magnetic strength in a compact form. Its ring design makes it ideal for applications requiring secure fastening, alignment, or rotational movement around a shaft or bolt. \u003cbr\u003e\u003cbr\u003eThis magnet is identified by product code R-OD20H5ID12-N38.\u003c\/p\u003e\n\u003cp data-start=\"561\" data-end=\"895\"\u003eEngineers, manufacturers, and hobbyists value these magnets for their high pull strength, durability, and resistance to demagnetisation, ensuring reliable performance across industrial, commercial, and DIY projects. With a nickel-copper-nickel coating, the surface is smooth, corrosion-resistant, and designed for long-term use.\u003c\/p\u003e\n\u003ch4 data-start=\"897\" data-end=\"917\"\u003eKey Features:\u003c\/h4\u003e\n\u003cul data-start=\"918\" data-end=\"1328\"\u003e\n\u003cli data-start=\"918\" data-end=\"977\"\u003e\n\u003cp data-start=\"920\" data-end=\"977\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20mm (OD) x 12mm (ID) x 5mm (thickness)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"918\" data-end=\"977\"\u003e\n\u003cstrong\u003ePull Force:\u003c\/strong\u003e 5.43 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"978\" data-end=\"1035\"\u003e\n\u003cp data-start=\"980\" data-end=\"1035\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e: Neodymium Iron Boron (NdFeB), Grade N38\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1036\" data-end=\"1115\"\u003e\n\u003cp data-start=\"1038\" data-end=\"1115\"\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Ring magnet – perfect for positioning on shafts, screws, or rods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1116\" data-end=\"1206\"\u003e\n\u003cp data-start=\"1118\" data-end=\"1206\"\u003e\u003cstrong\u003eCoating:\u003c\/strong\u003e Nickel-Copper-Nickel triple layer for durability and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1207\" data-end=\"1328\"\u003e\n\u003cp data-start=\"1209\" data-end=\"1328\"\u003e\u003cstrong\u003eApplications: \u003c\/strong\u003eMotors, sensors, scientific experiments, fastening systems, craft projects, and general engineering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1361\" data-end=\"1649\"\u003eAs one of the strongest magnets available, neodymium ring magnets are trusted for demanding tasks where reliability and power are critical. This particular size balances strong holding power with versatility, making it suitable for both industrial use and creative applications.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":51061989015684,"sku":"R-OD20H5ID12-N38","price":11.94,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/R-OD20H5ID12-N38_35625573-bb4e-45c0-9878-612595ddb002.png?v=1781862913"},{"product_id":"neodymium-ring-magnet-20mm-od-x-10mm-id-x-8mm-h-n45h-nicuni-coating","title":"Neodymium Ring Magnet - 20mm (OD) x 10mm (ID) x 8mm (H) | N45H | High Temp 120deg","description":"\u003ch2\u003eMagnetic Product Description:\u003c\/h2\u003e\n\u003cp\u003eThis rare earth ring magnet has an outside diameter of 20mm, an inside diameter of 10mm and a thickness of 8mm. It has a pull force of 7.30 kg and operating temperature up to 120deg C.\u003c\/p\u003e\n\u003ch3\u003eUses for our rare earth ring magnets:\u003c\/h3\u003e\n\u003cp\u003eYou may not think grains, like wheat and rice grown for human consumption are a perfect match for these neodymium ring 20mmx10mmx8mmd magnets. Let us explain.\u003c\/p\u003e\n\u003cp\u003eHarvest time for grains like wheat and rice is not the end, just the beginning of the end. For the grains it is the beginning of a long journey where they will encounter a lot of metal equipment and metal products, often helped along by magnets, including ring magnets.\u003c\/p\u003e\n\u003cp\u003eIn the first instance, the grain harvesters’ long horizontal threshing blades are often held securely, but not too securely in place with the assistance of powerful ring magnets. Helping with the regulated, rhythmic operation of huge scything blades, magnets also play another vital role. Ring magnets can act as a clutch, releasing their grip at a known force or pressure should the combine harvester’s valuable and finely machined grain cutting equipment jam on something strong, like tree stump or an animal carcass.\u003c\/p\u003e\n\u003cp\u003eThis ability of controlled slippage, or clutch function provided by magnetic engagement in an emergency, prevents in the initial stages at least, the transfer of mechanical power to the valuable blades while they are jammed. Direct power while the equipment is stuck could damage the harvester’s blades or its engine or both.\u003c\/p\u003e\n\u003cp\u003eRing magnets as a failsafe or circuit breaking system is highly valued by individuals or companies liable for the repair and downtime costs. The release force of ring magnets protecting combine harvesters is comparable to the release force required for the cook to remove a saucepan from its magnetic hold above the stove: they are both known in advance. A saucepan is required to boil or steam grains like wheat, oats and rice.\u003c\/p\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":51247270723716,"sku":"23013","price":12.76,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/23007_1200x_c1ca8b71-c3f6-4b6c-b20f-03ed0412b7dd.jpg?v=1762139959"},{"product_id":"neodymium-countersunk-ring-magnet-od-18mm-x-id-10-4-5-5mm-x-h-7mm-n30sh-high-temperature-150-c","title":"Neodymium Countersunk Ring Magnet – (OD) 18mm x (ID) 10.4\/5.5mm x (H) 7mm | N30SH | High Temperature \u003e150°C","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:4a705ed3-a5e3-45bf-9205-c20d14ac2c8f-0\" data-is-intersecting=\"true\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:4a705ed3-a5e3-45bf-9205-c20d14ac2c8f-0\" data-turn-id-container=\"request-WEB:4a705ed3-a5e3-45bf-9205-c20d14ac2c8f-0\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8ea1ddf4-cbfe-42d1-a573-84d9a22e01a4\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"433\"\u003eThis Neodymium Countersunk Ring Magnet is a compact yet powerful rare earth magnet engineered for high-temperature and heavy-duty mounting applications. Measuring 18mm outer diameter with a 7mm height, this neodymium ring magnet features a precision countersunk centre hole (10.4mm countersink with 5.5mm inner diameter), making it ideal for flush screw mounting in cabinetry, fixtures, displays, machinery, and industrial assemblies. This magnet suits an M5 countersunk screw. \u003cbr\u003e\u003cbr\u003eThis magnet is identified by product code 23016.\u003c\/p\u003e\n\u003cp data-start=\"435\" data-end=\"832\"\u003eManufactured from premium N30SH-grade neodymium, this magnet is designed to withstand operating temperatures up to 150°C, making it suitable for environments where standard neodymium magnets may lose strength due to heat exposure. The magnet is axially magnetised, with the north polarity located on the countersunk face, allowing for reliable directional installation in specialised applications.\u003c\/p\u003e\n\u003cp data-start=\"834\" data-end=\"1185\"\u003eFinished with a durable triple-layer NiCuNi (Nickel-Copper-Nickel) coating, this countersunk ring magnet offers excellent corrosion resistance along with a polished metallic appearance. Despite its compact size, it delivers an impressive pull force of approximately 13.2kg under ideal conditions when in direct contact with a thick mild steel surface.\u003c\/p\u003e\n\u003cp data-start=\"1187\" data-end=\"1270\"\u003eCommon applications for this high-temperature countersunk neodymium magnet include:\u003c\/p\u003e\n\u003cp\u003eFlush-mounted magnetic fastening systems.\u003c\/p\u003e\n\u003cp\u003eIndustrial and engineering projects.\u003c\/p\u003e\n\u003cp\u003eAutomotive and high-temperature environments.\u003c\/p\u003e\n\u003cp\u003eWorkshop jigs and fixtures.\u003c\/p\u003e\n\u003cp\u003eSignage and display mounting.\u003c\/p\u003e\n\u003cp\u003eCabinet closures and hidden fixings.\u003c\/p\u003e\n\u003cp\u003eRobotics, automation, and manufacturing systems.\u003c\/p\u003e\n\u003cp data-start=\"1563\" data-end=\"1812\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePlease note: Pull force ratings are based on ideal conditions and may vary depending on steel thickness, surface finish, mounting orientation, and air gaps. Neodymium magnets are brittle and should be handled carefully to avoid chipping or cracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Frenergy Magnets","offers":[{"title":"Default Title","offer_id":52183469949060,"sku":"23016","price":13.59,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/3103\/1428\/files\/23016.png?v=1780979801"}],"url":"https:\/\/frenergy.com.au\/collections\/small-ring-magnets.oembed?page=2","provider":"Frenergy Magnets","version":"1.0","type":"link"}