Because of its small size, high torque strength, and recessed installation, the hex socket screw is a great alternative to regular bolts. The main tool used to tighten or loosen hex socket screws is ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Hex wrenches, also known as Allen keys, are the tools you use to screw and unscrew fasteners that have a ...

If you’ve assembled IKEA furniture, you’ve used an Allen wrench. These slim, L-shaped contraptions are often the only tool included in the packaging, even when you’ll need others to finish the job.

If you've ever bought a piece of flatpack furniture before, you probably have a couple of Allen keys lying around in your toolbox. You've probably also misplaced the tiny tool a couple of times, ...