This disc countersunk neodymium magnet is made of high quality grade N42 NdFeB rare earth magnetic material. It has a #8 countersunk hole go through the center of the disc and can fit a #8 flat head screw. The magnet is axially magnetized and coated with Ni+Cu+Ni triple layers. Each piece can hold up to 11 lbs!
This magnet is countersunk on the north pole.
|Sintered Neodymium magnetic material - grade N42
|Ni+Cu+Ni 3 layer plating