This is a size relatively high hollow cylinder magnet, up to 32mm, OD size 16mm, hole 10mm, made of bonded NdFeB, protected by grey epoxy coating on the surface, multi-pole magnetization in the radial direction, with 4 poles, mainly used in brushless DC motors.
Note: We are a professional motor magnet manufacturer, like this multi-pole magnetic ring material, size, number of poles, magnetization direction, etc. can be customized according to your requirements, and we have a lot of ready-made molds, you can send an inquiry to tell us the size you need.
Bonded neodymium magnets FAQ:
Frequently Asked Questions about Bonded Magnet Materials
Why are bonded neodymium magnets mainly coating with epoxy coated?