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.

It's easy to visually distinguish between nails and screws, but what makes each one better for certain projects? It's about ...

These fasteners have been designed to assemble unconventional materials, such as ultra high-strength steel and bioplastics.

Screw Thread Forms. Of the various screw thread forms which have been developed, the most used are those having symmetrical sides inclined at equal angles with a vertical center line through the ...

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 ...