They hold together everything from the most delicate watch to the largest bridge. The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these ...

Translating rotary motion to linear motion is a basic part of mechatronic design. Take a look at the nearest 3D-printer or CNC router — at least the Cartesian variety — and you’ll see some mechanism ...

Back when hardware meant bony plates and flesh-rending teeth, a living version of the humble screw evolved naturally in, of all places, the leg joints of weevils. The legs of at least 15 kinds of ...

Screws may be commonplace, but that doesn't mean they're simple. A screw is any shaft with a corkscrew groove carved around its surface and, regardless of their design, screws are usually used to ...

Bolts are a common piece of hardware in DIY projects around the home and yard. Choosing the best type for your task can improve looks, stability, and strength.

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Though they may not be much to look at, screws hold a place of honor in the ...