Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled ...

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 ...

We clamped the bit in a vice and used an angle grinder to touch ... All of these steel drill bit types would do well boring ...

Kennametal explores technological advancements in composite drilling, including stacked laminates, for aerospace applications ...

With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty DIY hole punch for light-gauge sheet metal.