Shallow cone crown profile pilot bit , reaming by reamerwing, heavy cutter density.浅锥型冠部领眼, 侧翼扩眼,布齿密度加强.Operations, such as reaming and tapping, are also classified as drilling.绞孔和攻丝也归类于钻孔.Reaming is one of the finish ma...
When reaming iron links, the reamer should not be askew.铰削铁链时铰刀不能歪斜.Operations, such as reaming and tapping, are also classified as drilling.绞孔和攻丝也归类于钻孔.Shallow cone crown profile pilot bit , reaming by reamerwing, heavy...