If you'll be drilling a lot of holes or need to drill through hard, abrasive metals like stainless steel or cast iron, spend a couple of bucks more for black oxide or a cobalt steel drill bit for ...

Drill it out, shoot in an extractor, or if you’re lucky, clamp on some Vise-Grips and hope for the best. But when a drill bit breaks off flush in a hole ... dissolve the steel drill bit without ...

So it’s always a joy to pick up a new trick, 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 of [Jody], aka ...