Recently, I reported on the gem of my toolbox: my beloved Hercules 20V 1/2 in. Compact 3-Speed Impact Wrench from Harbor Freight. And during its time in my care, it’s made wrenching on my 2011 BMW ...

I stripped the threads on one plumbing connection and now it's a running joke with my brothers that I'm Jack the Stripper. I'll never live it down. Seriously, when is a screw, bolt, or plumbing ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...

It’s not news that Leonardo DaVinci was somewhat ahead of his time, and over the centuries many of the creations in his sketchbooks have been created and proved quite functional. The guys from the ...

This study investigates the effect of the fasteners threads dimensional variation within the conformance tolerance limits on the self-loosening of threaded fasteners that are subjected to cyclic ...