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This is a small diameter hollow cylindrical ring magnet made of rare earth neodymium iron boron, N40 grade, nickel plated on the surface, axial magnetization. How small is this magnet? Outer diameter: 2mm, inner hole: 1.2mm, height: 3.7mm, hole depth: 1.8mm, not straight hole. It is applicable to precision electronics and electronic components....
Hollow cylindrical neodymium magnet is mainly used in hollow cup motor or industry. Sintered neodymium iron boron permanent magnet is generally used in hollow cup motor. The common neodymium iron boron magnetic steel suitable for hollow cup motor is circular, with properties such as N40, N45, etc. and temperature resistance of about 100 ℃....
This product is a hollow cylindrical magnet, a cylindrical holed samarium cobalt magnet, and it is also a rare earth magnet. Compared with a neodymium hollow cylindrical magnet, it is more resistant to high temperature, so the application fields are different, which is also their biggest difference....
