Prepare to Drill Metal How to Use a Center Punch 5
Pictured here are my preferred tools for making center punch marks in metal L to R Ball peen hammer Solid steel center punch You may be familiar with the hammerless spring loaded centerpunches I don t generally like to use them with metal because you can t control the force of the blow the spring exerts the same force every time and because if/when the spring breaks it s useless