Neodymium Disc Magnet - 20mm x 10mm

Product code: 20012

$25.16 for 1 to 9 items
$22.29buy 10 to 99 itemsand save 11%
$17.55buy 100+ itemsand save 30%

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Neodymium Disc Magnet - 20mm x 10mm

Product Code 20012
Pull Force* 11 kg
Weight 23 gm
Style Rare Earth Disc magnet
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised
Dimensions Height:10mm, Diameter:20mm
*Measured against up to 10mm mild steel.

Magnetic Product Description:

This rare earth disc has a diameter of 20mm and a height of 10mm. It has a magnetic flux reading of 4455 Gauss and a pull force of 11kg. It is identified by the AMF magnet part number 20012.

Uses for our rare earth disc magnets:

These compact and powerful Neodymium Discs are purchased by the Iron Ore producing companies of North and Western Australia. For such punishing work, steel fabrication and heavy-duty technologies are a necessity. These 20mmx10mm neodymium disc magnets, embedded in the mining tools and equipment, can be found all over the mine site. From helping out the rotary blast hole drill bits readying another section of rock for dynamiting, to the bulldozer mounted long wall boring attachment and the three storey driverless dump trucks, magnets mix with the toughest of machines, for the heaviest work, in the most demanding conditions.  Still operating at temperatures of up to 200 deg.C these magnets are known to generate an excellent cost to performance ratios and help prolong the lifespan and efficiency of incredibly expensive equipment. This in turn lowers production costs and keeps these companies profitable when Ore prices fluctuate.

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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.