center punchcenter punch
a steel punch for marking a spot where a hole is to be drilled
A tool with a sharp point used in metalworking to create an indentation that marks the center of a hole to be drilled and steadies the drill bit when drilling.
(plural center punches)
- (countable) a device used to create a small indentation in preparation for drilling a hole
- (countable) the small indentation created by such a device