center punch

American  

noun

1. a punch for making shallow indentations in metal work, as to center drill bits.

---

Etymology

Origin of center punch

First recorded in 1875–80

Example Sentences

One end of this wire is placed in the fixed center punch mark in the steam chest, and with the other a mark is made upon the slide spindle.

From Project Gutenberg

With the center punch, mark the exact centers of the tops of the posts and connectors.

From Project Gutenberg

A "center punch," not too sharp, is the best tool to use, but a slight dent may be made with a sharp wire nail, provided the watch-spring is first annealed or softened.

From Project Gutenberg

Using the Dividers.—Then try your hand using the dividers, in connection with a centering punch.

From Project Gutenberg

Put a center punch mark where the tool lines indicate the center of revolution.

From Project Gutenberg