2pcs 18mm x 4mm Countersunk Hole 4mm N35 Strong Ring Rare Earth Neo Neodymium Magnets Nickel Coated

$3.99

Material NdFeB, Grade N35
Shape Disc Countersunk
Diameter 18 mm
Thickness 4 mm
Hole 5mm
Tolerance +/- 0.05 mm
Coating Nickel-plated (Ni-Cu-Ni)
Magnetisation Thru Thickness
strength aprox.
Max. working temperature 80°C
Weight(1 piece) 3 g