Strong Neodymium (NdFeB) disc rare earth magnet with countersunk hole.
This option is without adhesive face.
The countersunk hole enables you to affix this magnet with a screw to a hard surface.
Grade : N42
Maximum working temperature : 176°F (80°C)
Tolerance: +/- .004"
Magnetized axially through the thickness, poles on flat face, single pole, poles unmarked.
Each magnet is coated with 3 layers of nickel, copper and nickel (Ni-Cu-Ni plating) to improve corrosion resistance.
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