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 cordless drill is a versatile tool that can be a game-changer for both ... whether you're drilling holes in studs, driving drywall anchors or piecing together a home project.

Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes ... done without a lathe. The tool is quite complex, with ...