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.

And to go where no extruder has gone before, [wayne dalton] has managed to combine the rolling screw thread extruder concept directly onto a brushless pancake motor. The result is a filament ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Tired of re-tightening the screws on that old loose doorknob, over and over, every few days? Put that hassle in the past with ...

There are two main types of drywall screw: coarse thread and fine thread types. The type of thread you use depends on the framing materials. Coarse-Thread Drywall Screws: These have deeper ...

The threads of this screw were turned from solid brass on a lathe. Two box-shaped pans were formed by folding copper sheeting and soldering the edges. A pivot point for the bottom end of the screw to ...