Off course, you can also print the threads directly, screw a bolt into an un-threaded hole, or tap a hole. Following his usual rigorous testing process, [Stefan] from CNC Kitchen investigated ...

The test holes were M5. [Stephan] noted that you can’t tighten a bolt quite to the recommended torque with these methods, but you can get pretty close. It makes sense that the threads were not ...

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 ...