From type to tolerances, our guide to the often overlooked tool Excluding your mind, hands and perhaps bottle opener, nothing in the bicycle workshop is likely to get more use than Allen keys (AKA hex ...

Hex wrenches, also known as Allen keys, are the tools you use to screw and unscrew fasteners that have a hexagonal recess (as opposed to a Phillips or flathead recess). Hex screws are commonly used on ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, outdoor power ...

If you need pro tools, you won't regret buying these Forty quid is a lot to pay for Allen keys, but you do get lots: 2, 2.5, 3, 4, 5, 5.5, 6, 8, 10 and 12mm, all with hardened ball ends and T-bar ...

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 ...

We recently reviewed the Sears Craftsman T-handle Allen wrench set. After that review was published, several webBikeWorlders emailed us with suggested “equivalents”. Several readers suggested a set ...

If you're like us, you have a toolbox drawer full of loose hex keys that have no rhyme or reason. Over the years, you've collected hex keys from random tool kits at Christmas and just thrown them into ...

“This set is a great addition to my tool kit.” The Sedy 41-Piece Hex Key Allen Wrench Set is on sale for $18, which is $12 off the original $30 price tag. This bestseller boasts over 280 five-star ...

Ever wondered why there isn't an Allen key (or hex key, if you prefer) equivalent to the adjustable wrench or spanner? Turns out it's actually quite a complex engineering challenge. But this is 2025, ...