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N42 Neodymium Countersunk Pot Magnet - 20mm dia x 7mm thick x 4mm hole - 29.1lbs Pull

Small and shallow but very strong, these high-performance Neodymium (N42) pot magnets have a countersunk hole on the magnetic face. Magnetism is concentrated on one face to provide the maximum holding force.

Pack quantity: 1 Pot magnet

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  • $5.17
Product Code: F4MA20
Shape: Pot/Disc
Magnetic Face: 20mm dia
Thickness: 7mm
Grade: N42
Plating: Ni-Cu-Ni ( Nickel )
Material: NdFeB
Vertical Pull (Kg): 13.2
Slide Resistance (Kg): 2.6
Max Temp (degrees C): 80
Fixing: 4mm c/s Screw
  • 37/47'' diameter x 8/29'' thick with a 3/19'' diameter countersunk hole for fixing
  • +/-0.004" tolerance
  • Each magnet is only magnetic on the countersunk face
  • Each magnet can support 29.1lbs pull vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness
  • Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish
  • Can be fixed in place with 3/19'' diameter countersunk screws

Neodymium pot magnets are made of a powerful Neodymium magnet sunken in to a steel shell meaning that the north pole is on the centre of the magnetic face and the south pole is on the outer edge around it. The steel pot increases the adhesive force of the magnets giving them an incredible hold for their size. An added advantage of pot magnets is that they are resistant to chipping or cracking following constant impact with a steel surface. These magnets are countersunk on the magnetic face and can be fixed to a surface with a 3/19'' screw, pot magnets are also available with boreholes and threaded studs.

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