This is a 15mm outer diameter hole magnet, magnet material is sintered NdFeB, ring shape, the type of hole in the middle is straight hole (through hole), hole diameter 4mm, thickness 5mm, magnetic properties, tolerance, temperature resistance, etc. can be customized in accordance with your needs, if you are interested in this product you can contact us to provide you with the latest offer.
Other 15mm magnets with holes;