9mm od x 3mm x 3mm thick Neodymium Rare Earth Diametric Ring Magnet N40 Diametrically Magnetized NdFeB Ring Magnets
Dimensions: 9mm od x 3mm id x 3mm thick
Tolerances: ±0.1mm x ±0.1mm x ±0.1mm
Material: Sintered NdFeB, Grade N40
Plating/Coating: Nickel-Plated (Ni-Cu-Ni)
Surface Field: approx. 1660 Gauss
Magnetization Direction: Diametrical
Max Operating Temp: 176ºF (80ºC)
These rings are diametrically magnetized, which means they are magnetized perpendicular to the axis of the hole. The poles are located on opposite sides of the circular faces. They can be placed on a shaft to work with sensors or to generate electricity.












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