Discover helpful tips and techniques for metal crafting.
Cut metal with an angle grinder by fitting a thin (1 mm) abrasive cut-off disc rated at or above the grinder’s free speed, clamping the work on both sides of the line so it can’t sag and pinch the disc, and letting the disc’s own speed do the cutting rather than leaning on it. That’s … Read more
Nine handheld types plus drill presses and mag drills, compared in one table – and the two that cover almost every hole a home workshop drills.
I burned out an angle grinder on this railing. It was a 650W Black+Decker small grinder, clamped into a cutting stand, and I did not think about what an angled cut does. A 45-degree cut makes the disc travel through far more metal than a straight cut, and it has to do it 232 times. … Read more
Metal is drilled slowly, with weight rather than speed, and with something wet on the cut. Heat takes the temper out of the bit and hardens the hole.