The micrometer scale on the shaft of the gauge. A micrometer is a G clamp with jaws in its most common form around 25 mm in size, and with a very accurately calibrated screw thread. It has a ...

Part of that is probably because we’ve gotten so good at making them that they’re seen as cheap commodities, but the physics and engineering behind the screw thread is interesting stuff.

Using a bolt, nut and screw gauge takes the guesswork out of your project, helping you quickly identify the exact size you need. At least 47 injured after driver plows into parade in Liverpool ...

If you're interested in learning how to rig up an oscilloscope as an ad-hoc torque-strain gauge, click here ... and removal of a nut or bolt: Rust, corrosion, threads seizing, and the like.

This week's cool tool, the nut and bolt thread checker, can identify the exact thread size of your project car's most random bolts. This week's suggestion comes from reader Jerry, and he says it's ...