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 ...

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 ... will dissolve the steel drill bit without reacting with the brass.

Ahead, learn which factors to consider when shopping for a cement drill bit, and find out how the following products earned a spot in our lineup of the best drill bits for concrete. BEST OVERALL ...

Cutting applications for drill bits include general-purpose, aluminum, brass, bronze, and copper, ceramic, hard or hardened materials, plastic, steel, stainless steel, titanium and other exotic ...

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and ... Annular cutters work best in drill presses or mag drills, especially ...