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Neodymium Block Magnet - 25mm x 10mm x 3mm

Product code: 22020C

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Neodymium Block Magnet - 25mm x 10mm x 3mm

Rated 5.0 out of 5
Based on 1 review
Product Code 22020C
Pull Force* 3.9 kg
Weight 5 gm
Style Neodymium Block magnet
Gauss 2457
Grade N42
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised
Dimensions Width:3mm, Height:10mm, Length:25mm
*Measured against up to 10mm mild steel.
Neodymium Block Magnet - 25mm x 10mm x 3mm

Magnetic Product Description:

This magnet has a length of 25mm, a width of 10mm and a thickness of 3mm. This grade N42 magnet has a magnetic flux reading of 2457 Gauss and a pull force of 3.900 kg. It is identified by the AMF magnet part number 22020C.

Uses for our rare earth block magnets:

This Neodymium Block magnet has an extra holding strength due to its N42 Grade which is one of the top magnetic grades available. The extra strength perfectly complements the slim profile of this magnet, providing greater resistance to sheering forces and accidental dislodgement. Ideal for holding applications such as displaying large items or securing POS, advertising material and signage in a reliable and safe manner. Neodymium Blocks are also common components in manufacturing machinery where reliable and repetitive accuracy is crucial.

average rating 5.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by Russell
I recommend this product
Rated 5 out of 5
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NB: Ranges are indicative for product category, please check individual products for specic values within that range.

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.

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.

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.