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N42 Neodymium Pot Magnet with M4 Stud - 20mm dia x 7mm thick - 34.83lbs

Medium-sized, strong Neodymium (N42) pot magnets with a threaded stud on the non-magnetic face. Magnetism is concentrated on one face to provide the maximum holding force.

Pack quantity 1: 1 Pot magnet

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  • $5.17
Product Code: F4MC20
Shape: Pot/Disc
Magnetic Face: 20mm dia
Thickness: 7mm
Grade: N42
Plating: Ni-Cu-Ni ( Nickel )
Material: NdFeB
Vertical Pull (Kg): 15.8
Slide Resistance (Kg): 3.16
Max Temp (degrees C): 80
Fixing: M4 Nut & Washer
  • 37/47'' diameter x 8/29'' thick with a M4 threaded stud for fixing
  • +/-0.004" tolerance
  • Each magnet is only magnetic on the flat face
  • Each magnet can support 35.03lbs pull vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness
  • Each magnet is coated with three layers of nickel, copper and nickel to improve corrosion resistance and provide a smooth and clean finish

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 have an M4 threaded stud on the non-magnetic face; pot magnets are also available with countersinks and counter-bored holes.

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