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.

A screw is a type of hardware fastener that attributes its mechanical capabilities to the helical groove that extends around the circumference of the device's shank. These threads provide the friction ...

Shoulder screws have three sections: head, shoulder, and thread. The head is the largest diameter section ... or as an internal, threadless guide for compression springs. The wheels on some sliding ...