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Neodymium Block Magnet - 20mm x 8mm x 2mm | N42

SKU B-W8H2L20-N42
Pull Force: 1.86kg
Original price $4.77 - Original price $4.77
Original price
$4.77
$4.77 - $4.77
Current price $4.77
$4.77 AUD for 1 to 9 items
$4.26 AUD buy 10 to 99 items and save 11%
$3.80 AUD buy 100+ items and save 20%
Availability:
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Product code: B-W8H2L20-N42
Pull Force* 1.86kg
Weight 300 g
Gauss 2103
Grade N42
Coating Nickel (NiCuNi)
Direction of Magnetisation Through Height
Dimensions Width:8mm, Length:20mm, Height:2mm
*Measured against up to 10mm mild steel.

Neodymium Block Magnets

The unusual metric dimensions of this rare earth Block magnet exactly correspond to U.S. Imperial measurements of 2 x ¼ x 1/8 inches. Neodymium Block magnets are suited to applications that require strong magnetic hold or heavy duty magnetic power for commercial purposes.These requirements can also occur in the workplace, at the office or when taking on DIY projects at home. This wide,narrow, rectangular Block magnet has a broad and narrow pole area that can bond with ferrous surfaces very securely while taking up very little vertical space. This is often useful when a magnet needs to fit into narrow spaces or needs to be incorporated into products that have a low profile or slimline look with limited height space to offer. Different magnetic shapes have unique capabilities and are accordingly suited to widely differing applications. Although rare earth magnetic products attract premium pricing, many Frenergy customers find the benefits of permanent power, superior strength as well as the space and overall weight saving benefits, far outway the higher initial cost of Neodymium products. Other features such as their attractive silvery nickel-coated appearance that also improves the magnet’s overall durability make them even more appealing to customers looking for value.

Typical Physical Properties

NB: Ranges are indicative for product category, please check individual products for specic values within that range.

Production Flow Diagram
Demagnetization Curves
Surface Treatment

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Range and Tolerance

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Magnetic Properties

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.

Returns Policy

If you are not entirely satisfied with your purchase, we're here to help.

We have a 30 Day Returns policy at Frenergy Magnets. You may return your item within 30 days of receiving it to receive a refund.

The product/s must be unused and in the same condition you received them in. Please contact us at info@frenergy.com.au to initiate the returns process.

The buyer is responsible for the cost of returning the order.

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Same Day Dispatch
Mon-Fri before 1pm (AEST)
4.9
Customer reviews
30 Day Returns
Shop with confidence
Same Day Dispatch
Mon-Fri before 1pm (AEST)
4.9
Customer reviews
30 Day Returns
Shop with confidence

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The Pull Force listed for each magnet is based on lifting 10mm thick steel from a horizontal surface. Magnets on a vertical surface (of 10mm thick steel) are generally able to hold around only 30% of the pull force listed in the product description. This is due to the effects of gravity and the lack of friction between the surface and the shiny magnet. Read More