Drilling through metal can be somewhat intimidating for beginners, but there’s nothing to worry about. It’s just as easy as ...

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 ...

Twist drill A standard drill bit with two twisted ... Allows for a flat blind hole to be drill or larger diameter holes to be cut Wood Auger Has a wider twist than a normal drill.