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 ...

Need a big hole? Start small ... down into a workpiece and make a very precise hole. Drill presses also come with beefy cast-iron tables with tilt and height adjustments, and allow a variety ...

[Workshop From Scratch] was having issues with his drill ... a table together from scratch using square tube. From there he set about solving those issues. The first was having to make a large ...