A tool consisting of a metal rod with a conical point for making an indentation, to allow a drill to make a hole at the same spot without slipping.
中心冲头
Example sentencesExamples
Place on painted aluminum can lid and mark through holes with a center punch and hammer.
Once the cabinets are marked lightly in pencil, use an awl or a center punch to create an indentation at the desired spot.
After verifying the placement of your paper template, grab a sharp center punch and hammer, and using the the screw marks on the paper template, punch small dimples in the top skin of the ski.