- a punch for making shallow indentations in metal work, as to center drill bits.
Origin of center punch
Examples from the Web for center punch
Historical Examples of center punch
The accuracy of this method depends, of course, upon the location of the center-punch marks.
The other center-punch mark is then set in the same way for boring the second hole.
A center-punch or sharp-pointed punch for making dents in metal.How Two Boys Made Their Own Electrical Apparatus
Thomas M. (Thomas Matthew) St. John