Discover helpful tips and techniques for metal crafting.
An angle grinder is whatever disc you fit to it – a metal saw, a rust stripper, a tile cutter, a sander. Here is the tool, every disc, the safety rules that have a mechanism behind them, and how to cut and grind without it fighting you.
I painted an old balcony railing without taking all the rust off. It looked fine for about three weeks, then little orange spots started pushing through the paint like pimples, and I had to redo the entire job. Take rust back to solid gray steel, wipe the surface clean, and prime it the same day. … Read more
You need primer when the surface is new or porous (bare wood, drywall, raw metal, concrete), when you’re covering a stain or going from a dark color to a light one, or when the surface is glossy or laminate. You can usually skip it when you’re repainting a smooth wall in the same color it … Read more
I needed to make a few corner braces from a metal bar a year ago. I clamped the bar into my newly installed bench vise, but as soon as I struck metal multiple times with a hammer, the vice broke loose and fell on the floor. At that moment, I realized mounting a vise isn’t … Read more
A home workshop needs three: 16 oz claw, rubber mallet, club hammer. Here is what all 13 types do, plus how to pick face, handle, and weight.
HSS for soft metals, cobalt for stainless and hardened steel, carbide-tipped for tool steel and titanium. Full hardness table plus why bits snap.
Use a mallet when the surface must survive the strike. Use a hammer when the job needs force. Full breakdown of both, plus all 10 hammer types.
A vernier caliper reads to 0.02 mm with no battery and a principle three hundred years old. Least count, a worked reading example, all three measurement types, and the errors that look like real numbers.
Three ways to slow a grinder, what speed each job actually wants, and the DIY SCR controller that runs any brushed tool up to 2,500 W.
Lost the pin spanner? Four ways to get the flange nut off, the thread and speed chart for refitting, and the one improvised method that wrecks grinders.