当前位置：Widetop > W1 > Widetop > drill diameter of the twist drill bits drill diameter of the twist drill bits 作者：WIDETOP • 2019-06-28 Drill diameterThe diameter over the margins of a drill, measured at the point 上一篇文章 : Cobalt steel, used for making twist drill bits 下一篇文章 : Feeds for drilling with the twist drill bits