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Neodymium Disc - 20mm x 4mm

More Information
Product Code 20016
Pull Force* 5.5 kg
Weight 9 gm
Style Rare Earth Disc magnet
Grade N38
Gauss 2340
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised
Height 4mm
Diameter 20mm

*Measured against up to 10mm mild steel.

$5.78 1 to 9 items
  • $4.02 buy 10 to 99 items and save 30%
  • $2.98 buy 100+ items and save 48%
_ +
In stock
Prices are GST inclusive - Australia only.
Volume pricing available on request.

Disc Magnet Dimensions

Magnetic Product Description:

This rare earth disc has a diameter of 20mm and a height of 4mm. It has a magnetic flux reading of 2340 Gauss and a pull force of 5.5kg. It is identified by the AMF magnet part number 20016. 

Uses for our rare earth disc magnets:

This 20mm x 4 mm disc is one of our most popular products, its size and strength make it an incredibly versatile magnet. Discs such as this make great closure devices when stitched or seamed into fabric or other flexible material such as shade cloth, insulation, curtains. Depending on the thickness and weight of the fabric, these discs can be inserted inside a seam and be coupled with another magnet or steel in the corresponding surface/material to create a reliable and secure closure.

These magnets have also been adopted by Fashion Designers who like a simple yet effective way to hold complex and voluminous fabric arrangements in place on the catwalk. If you have every wondered how those bizarre high fashion outfits are held in check, magnets are the solution!

They are also used for many industrial and manufacturing applications such as metal separation, pharmaceutical stirrers, metal detectors, tool holders, clamps, and metal and stud finders.

Customer Reviews
  1. Excellant
    I purchased this particular rare earth magnet to check my silver bullion coins that i purchase for my collection. They definatly will pick out any fakes and when it's a pure silver coin they also have momentum when sliding that lets you know they are real. thanks

    Review by

    Posted on

  2. All good.
    Order was sent and received in a very timely manner.

    Review by

    Posted on

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