When looking at the head of a screw that requires an Allen wrench, you might notice it looks very similar to a typical bolt head. In fact, both are hexagonal, and if you find the right size bolt ...

An Allen wrench and hex key reference an identical L-shaped tool with a hexagonal tip used for screws or bolts. The origins of the tool go back to 1910, when Allen Manufacturing patented the first ...

The tiny Torx- or Allen-head screws used on scope mounts have an annoying habit of stripping at just the wrong time. (Not that there is ever a right time.) This is particularly true when removing ...

This is the last hex wrench set you’ll ever need. With 15 Allen wrenches in standard measurement and 15 Allen wrenches in metric measurement, there won’t be a hex screw you won’t be able to ...

The Amazon Basics Hex Key Allen Wrench Set with Ball End really sets itself apart from the rest, due to the excellent cases. These cases provide the right amount of “hold” on each wrench ...

That said, the tool's wide head would have difficulty accessing bolts or screws in tight spaces. For that reason, a 50-mm (2-in) hex socket extension is included – it sits inside the handle when ...

Bicycle-equipment company Park Tool solved that problem with an actually comfortable (and grip-able) Y-shaped wrench, which includes 4mm, 5mm, and 6mm hex-head drivers — three of the most common ...

In 1910, William G. Allen, owner of Allen Screw Manufacturing Company, began marketing hex wrenches, which had already existed in some form or another since the 19th century.

An Allen wrench and hex key reference an identical L-shaped tool with a hexagonal tip used for screws or bolts. The origins of the tool go back to 1910, when Allen Manufacturing patented the first ...