A new tooling system produces threaded holes in all types of sheet metal, eliminating the need for secondary tapping operations or additional fasteners. Developed by Mate Precision Tooling ...

You can drill and re-tap, you can drill and helicoil ... shoving the shaving cream out the spark plug hole and taking the metal shavings with it. Boom! Fixed. I also appreciate that Mr. Ari ...

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled ...