normal cone

As a result of using the cone sharpening method sharpening drilling cutter\'s Flank,improving surface quality and machining precision,extending the lifetime of the drilling cutter substantially.

采用锥面磨削法刃磨钻削刀具的后刀面,可显著提高刀具的使用寿命,有利于保证工件加工精度和提高工件表面质量。