Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled specifically for metal are manufactured to drill through various materials, ...

[Jer Schmidt] needed a way to put a lot of M8 bolts into a piece of square steel tubing, but just drilling and tapping threads into the thin steel wouldn’t be strong enough. So he figured out a way to ...

The E-Z Lok (Solid Wall) threaded inserts are for metal and come in assortment and installation kits. E-Z Lok inserts repair or reinforce threaded holes in soft metals such as aluminum, magnesium, and ...

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 ¼", ...

Q.I'm currently making a toolbox that will be permanently mounted in the bed of my truck, just behind the cab. I have built a structural framework from angle iron, and I have drilled and tapped holes ...

This article was updated May 25, 2023. It was originally published Nov. 17, 2009. To put hard, durable threaded holes in plastics, engineers often specify threaded metal inserts that will securely ...

In sheet-metal fabrication, parts are formed from metal sheets by punching, cutting, stamping, and bending. 3D CAD files are created using a host of different CAD packages and then converted into ...