This is the ring magnet is with teo side hole on the round face, this two hole it is used for positioning and installation. The specific size is 48mm in outer diameter, 22mm in inner diameter, 12mm in thickness. The material is rare earth neodymium, and this material is a less temperature resistance, is 80℃ in working, but if you wanna less than 230℃, youcan choose other grade. It is remained that the samarium cobalt will better than neodymium when the workinng temperature is higher than 230℃.
They replace other types of magnets in many applications of modern products that require powerful permanent magnets, such as DIY, handicrafts, free-energy magnet motors, scientific experiments, metal working, steel shelf and home improvement projects.
If you are needing a custom magnet, Courage will be the supplier you need and hope to receive your inquiry, we are reply to your inquiry!
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