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N42 Neodymium Diametrically Magnetised Cylindrical Disc Magnet - 13/16 in. dia x 13/16 in. thick

*Measurements have been rounded to the nearest fraction inch - please check the product description for specific measurements.*

High-performance, diametrically magnetised Neodymium (N42) cylindrical disc magnet with central 15/64" hole. These diametrically magnetised magnets have their north and south pole on opposite curved sides, cutting the flat surface in half.

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  • $15.46
Product Code: F679
Shape: Disc
Magnetic Face: 20mm dia
Thickness: 20mm
Grade: N42
Plating: Ni-Cu-Ni ( Nickel )
Material: NdFeB
Performance (Gauss): 6100
Max Temp (degrees C): 80
Fixing: Araldite/Loctite
  • 20mm x 20mm.
  • 0.79 in. x 0.79 in.
  • +/-0.1mm (0.004 in.) tolerance.
  • 6 central hole.
  • North-South poles on opposite curved sides.
  • Excellent resistance to demagnetisation.
  • Triple coated.

Unusually, diametrically magnetised magnets are not designed to hold the maximum possible weight for the size of the magnet but instead are used to provide rotational movement. A diametrically magnetised magnet is magnetised across its diameter so that the north pole in on one curved side and the south pole is on the opposite curved side. Diametrically magnetised magnets are used on the end of shafts to provide drive.

Showing our 1 review for N42 Neodymium Diametrically Magnetised Cylindrical Disc Magnet - 13/16 in. dia x 13/16 in. thick. Write a review ›
Review Summary - 5 out of 5 based on 1 rating.
December 2, 2013 | Lucy Clarke

I use these magnets on drive shafts, at 6.1 Tesla they are very powerful. Using only 6 watts as input i can achieve 30,000 RPM.

Magnet Expert Ltd