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 ...

Drilling through metal can be somewhat intimidating for beginners, but there’s nothing to worry about. It’s just as easy as drilling a hole into the wall or wood, but there are a few additional ...

[Daumemo] came up with a solution: a 3D printed drill press for a Dremel or similar rotary ... a couple of LM8UU bearings, some 8 mm steel rod, and a pair of springs seem like the most esoteric ...

Their magnetic vise, designed for a drill press but probably a great choice for securing work to a milling machine, grinder, or even a CNC router, has a simple but sturdy steel frame. Two separate ...