This is a ultra mini ring magnet with oval hole, the material is bonded rare earth neodymium. The specific size is 2.8mm in outer diameter, 1.5mm in inner diametre, 1.6mm in thickness. Radial 2-pole magnetization, Surface coating is black epoxy, Our company supplies to domestic and foreign countries all year round, because our magnets can be customized, and the quality is good, so there are many stable cooperation needs. The bonded magnet is usually be choose to be motor and the rotor, but it can also be used by radar, medical devices, optical path detectors, photosensitive instruments, robots, and drones.
The outer diameter measurment of black strong neoodymium ring magnet 2.8x1.5x1.6mm(0.03mm tolerance):
The sample display of miniature bonded neodymium ring magnets 2.8x1.5x1.6mm:
If you have any requirment need to custom, please contact us and provide your drawing!