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 ...

When building a tool arsenal for at-home or professional use, it's relatively easy to keep the big stuff in mind ... quite a robust selection of drill and driver bits. From sizable kits comprised ...

The general operation of a power drill isn't rocket science: you squeeze the trigger, the bit spins ... and you don't especially care how big or deep the hole is. If you're looking to do more ...