Most drilling in metal is done with a twist drill.

大多数金属钻孔用的是麻花钻头。

Twist drill is the tool often used in machine process.

钻是机械加工中使用量较大的一种加工刀具。

A twist drill is designed to drill a hole which has a particular size.

麻花钻用来钻削具有一定尺寸的孔。

Specification: twist drill, three-blade drill, reamer, end-milling cutter.

规格：麻花钻、三刃钻、铰刀、立铣刀。

The twist drill may be divided into three principal parts:shank, body and point.

麻花钻也许可以被划分成三个主要的部分：钻柄、钻体和钻尖。