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 ...

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

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 ...

It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.

High-speed steel (HSS) is found in most standard twist drills used for wood, metal, and plastic ... nitride coated (TiN) drill bits are also popular. HSS is hard-wearing, but other materials ...