Drill bits for dowel and bolts and cord.

钻头的销子和螺栓和脊髓。

Used extensively on drill bits and taps.

广泛使用的钻头和水龙头。

Used extensively on milling cutters and drill bits.

广泛使用的铣刀和钻头。

This is the factory in which drill bits are manufactured.

这就是制造钻头的工厂。

He essentially, sold drill bits to oil-drilling companies.

他其销者，卖钻头给开采石油的公司。