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 ...

Look around any home and yard, and you'll find dozens of screws, nuts, and bolts. Screws are usually used in wood and drywall. They fix into something. While it's important to know the right screw for ...

A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...