top quality material ndfeb magnet with hole used for many different fields produce as your request

Hot-sale ndfeb countersink hole magnet

Material:rare earth magnet

Size:18*3  couple with 4mm countersink hole screw

Coating:zinc/ni

Tolerance:0.1mm

Application fields:speaker,toy ,motor,sensor and so on.

FOB PRICE,not including shipping fee.FOR quantity  of above 10,000 pcs