This product is round countersunk holes (screw holes) strong magnets, the material is familiar with the rare earth neodymium, samples show specifications for the diameter of 15mm, thickness of 3mm, M4 countersunk holes, our wholesale customized to support the respective types of countersunk holes in the processing of magnets, you have the volume we have the price, and sincerely waiting for your inquiry!
15mm countersunk neodymium magnet diameter measurement;
Close to the size of the circular countersunk magnet;