穴あなぐり

noun, noun-modifying (irregular)

boring a hole; hole boring

Refers to the act or process of drilling or boring a hole, often in a mechanical or machining context. Can also be used prenominally to describe tools or operations related to boring.

• この機き械かいは金きん属ぞく板ばんの穴あなぐりに使つかわれる。

  This machine is used for boring holes in metal plates.

• 穴あなぐり加か工こうの精せい度どが重じゅう要ようだ。

  The precision of the boring process is important.