Видео с ютуба How To Center Punch

How to Use a Center Punch (Pre-Drilling Operation)

Make a Centre Punch - An Easy Metal Lathe Project

Optical Centre Punch - One Day Build Project

Which center punch is best?

Make A Spring Tool Center Punch

Optical Centre Punch - Small Production Run with some Tips and Tricks

Adam Savage's Favorite Tools: Optical Center Punch!

Quick and simple blacksmith tool - S7 center punch