This is a homogeneous ferrite small magnetic ring, Y10 grade, the outer diameter of the ring is 18mm, the size of the hole is 8mm, the height is 9mm, the magnetic ring is not magnetized according to the customer's requirements, but also according to your requirements to do the radial 2-pole, 4-pole, 6-pole magnetization, has a cheap price, wide range of applications and so on, welcome to take the amount of inquiries.
18mm radial ring O.D. size measurement
Very close specification of ring ferrite;
Multipole Radial Ferrite Rotor Magnet Ring 18mm x 11.8mm x 9mm