Allen wrenches and Hex keys seem very similar to each other. We break down the relationship between the two and some other ...

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 ...

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 ...

Allen screws made from weak metals strip quickly, and using the wrong size Allen wrenches/hex keys can also damage them. Regardless of the reason, it's no fun trying to remove a stripped Allen screw.