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.

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 ...

Drill bits can be sharpened by hand or with a bench grinder, but the best method is using a dedicated ... harder materials like cast iron or stainless steel. Tungsten-carbide tipped (TCT) and ...