Neodymium Disc Magnet - 20mm x 1mm | N50

Product code: D-D20H1-N50

$4.51 for 1 to 9 items
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$3.05buy 100+ itemsand save 32%

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Neodymium Disc Magnet - 20mm x 1mm | N50

Product Code D-D20H1-N50
Pull Force* 1.44 kg
Weight 15 gm
Style Neodymium Disc
Coating Nickel (Ni)
Direction of Magnetisation Axially
Dimensions Height:1mm, Diameter:20mm
*Measured against up to 10mm mild steel.

Magnetic Product Description:

This neodymium magnetic disc has a diameter of 20mm and a height of 1mm. It has a magnetic flux reading of 721 Gauss and a pull force of 1.44 kilos. It is identified by the AMF magnet part number D-D20H1-N50.

Uses for our rare earth disc magnets:

Neodymium or rare earth magnets are extremely strong and have largely replaced traditional magnetic material in modern technologies and manufacturing. Although relatively small in size these discs are heavy duty magnets when it comes to holding power. Strong neodymium magnets come in a range of shapes and sizes and they are each suited to different applications that make use of their attributes. Rare earth disc magnets are particularly well suited to holding applications as their low profile and wide surface area give them plenty of grip. 

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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.