当前位置：Widetop > W1 > Widetop > Chisel-edge angle of the twist drill bits Chisel-edge angle of the twist drill bits 作者：WIDETOP • 2019-06-28 Chisel-edge angle of the twist drill bitsThe angle between the chisel edge and cutting lip, as viewed from the end of a twist drill bits. 上一篇文章 : Chisel edge of the twist drill bits 下一篇文章 : Cobalt steel, used for making twist drill bits