prick punch

prick punch

[′prik ‚pənch]
(design engineering)
A tool that has a sharp conical point ground to an angle of 30-60°C; used to make a slight indentation on a workpiece to locate the intersection of centerlines.

prick punch

prick punch
A pointed steel punch which is struck with a hammer; used to mark metal or sheet metal.
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References in periodicals archive ?
You want to drill out all but the outer skin of the heater, allowing you to slip a prick punch behind the skin, bend it in far enough to grasp it with needle-nose pliers, hose it down with WD-40, and work it out.
Staking carrier key screws is best done using a specialty tool but can be, for effect, done with a prick punch and hammer.
Layout and drill holes an inch or so in from the ends and at the center of all the pieces using a ruler, square and prick punch.