Quocdunghoang·Oct 22NPT L1 and L2 Gauges Explained: How to Inspect Tapered Pipe ThreadsWhy NPT threads are not checked like straight threads, and what L1, L2 and L3 gauges actually do
Quocdunghoang·Oct 216g vs 6H: How to Choose the Right Thread Tolerance (and the Gauge That Checks It)If you buy or inspect metric fasteners, you will see “6H” and “6g” on almost every drawing. They look similar, but they describe two…
Quocdunghoang·Sep 30What to Put in an RFQ for Custom Thread GaugesThe seven details that turn a two-week email chain into a same-day quote
Quocdunghoang·Sep 30How to Source GO/NO-GO Thread Gauges From a Chinese Factory Without Getting BurnedA practical checklist from the inspection bench, not the sales desk
Allen Atielle·Jan 28, 2025Guest Post: Idiot’s Guide to Discreet MachiningWhat does it take to make functional (perhaps even presentable) things from metal in a cheap apartment or dorm?
Lyra Dray·Oct 21, 2024Why I Love MachiningI find such joy in machining. There’s something incredibly satisfying about taking a raw block of metal or another material and…
Yuriy Skvortsov·May 25, 2024A funny way to recycle dead batteries (part 2)In the previous part we’ve discussed a bit of phosphate chemistry and how I started construction of the “reactor” vessel. So I got two…
Yuriy Skvortsov·Apr 15, 2024Spot welder from scrap, part 2So I had the transformer assembled, aluminum wires terminated and copper clamps machined. And in case this doesn’t ring a bell, the story…
