plural of centerpunch

Third-person singular simple present indicative form of centerpunch

A hand tool used to prepare a workpiece prior to drilling a hole. It typically compresses and then suddenly releases a spring, creating a small indentation that, in turn, guides and centers the drill.

To prepare a workpiece for drilling by using a centerpunch to create an indentation. / To place something directly in the middle.

present participle of centerpunch

simple past tense and past participle of centerpunch