Acme Screw Thread Profile by Wizard191 CC-BY-SA 3.0 Screw thread profiles can be modified from the standard V profile for better performance under different loads. The Acme profile, a trapezoidal ...

As we mentioned in our post on screw threads, the V-thread profile on threaded fasteners is optimized for providing a high axial clamping force and a “non-overhauling” property, or the ...

Woodworking screws are actually quite the varied microcosm, with a massive number of combinations of heads, drives, threads, ...

The video by Petzl that demonstrates proper ice screw placement technique, as well as how to set an anchor and a v-thread in waterfall ice. It's clear seven minutes don't suffice to cover all ice ...