1) drill point angle
钻尖角
2) tip angle of drill bit
钻尖顶角
1.
This paper analyses that tip angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different.
分析了工件材料、形状不同时 ,钻尖顶角的大小对麻花钻切削性能及寿命的影响 ,介绍了麻花钻的钻尖顶角的选择 。
3) Drill-point angle
顶角/钻尖角
4) Double-angle point
双顶角钻尖
5) The point of an anvil.
铁钻的尖角
6) drill and countersink combination
尖角钝角两用钻
补充资料：尖顶
顶端；顶点。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条