There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits ... be industrial-grade tools. “Twist drills remove all the metal from the inside ...

Drilling through metal can be somewhat intimidating for beginners, but there’s nothing to worry about. It’s just as easy as ...

People have been working metal for so long that the list ... especially one as simple as putting a hardened edge on mild steel using a drill bit as a filler rod. This tip comes to us by way ...

Forging, casting, and cutting are some methods of getting the metal ... the steel, and the results speak for themselves. With the liquid nitrogen treatments the bits were easily able to drill ...