throughbore

A cylindrical hole that has been bored through something.

Japanese Meaning

物体を貫通するように穿たれた円筒形の穴（両側に開口部がある穴）

The technician inspected the metal bracket’s throughbore to ensure the connecting bolt would pass smoothly.

技術者は金属ブラケットの貫通穴を点検し、接続ボルトがスムーズに通ることを確認した。

Sense（1）

A cylindrical hole that has been bored through something.

throughbores

（ plural ）