There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ...

a hammer drill, or an impact driver. When you need to make a perfect hole with these power tools, you could try to eyeball it, but you may end up with an angled or off-center result. A drill bit ...

Detailed price information for Bayhorse Silver Inc (BHS-X) from The Globe and Mail including charting and trades.