The ferrite magnet rings are glued into shallow steel cup with threaded socket in the middle. So there is through a threaded hole in the center of the magnet assemblies, different from the configuration of the ferrite channel magnet. Flat internal thread ferrite (ceramic) holding pot magnets are supplied with some standard dimensions, which includes 32mm, 40mm, 50mm, 63mm, and 80mm. There are specifications in the following table. For stronger ones, please use the neodymium type.
Anisotropic magnetic material are used to ferrite pot magnet with threaded socket.
The flat internal thread ferrite pot magnet are filled with black epoxy glue.
The steel cup of common ceramic (ferrite) pot magnet with threaded screw hole are plated with zinc or nickel.
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