Twist drill bits. Especially in steel thicker than ¼", twist drill bits ... carbide-tipped hole saws can drill through metal that is up to 5/8" thick. Though it’s possible to use a hole saw ...

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

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 ...

People have been working metal for so long that the list of ... 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 ...