20pcs 8mm x 3mm Hole 5mm Rare Earth N50 Round Neodymium Counter Sunk Ring Magnets 1 Nickel Plated

$10.99

Material NdFeB, Grade N35
Shape Disc Countersunk
Diameter 18 mm
Thickness 3 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