Allen Key Sizes Metric Vs Imperial

Hex key equivalent sizes.

Allen key sizes metric vs imperial.

On the left hand side we have our sae to metric conversion guide for hex keys that provides the best substitute sae allen wrench for each given metric size. Not great quality but good enough they don t break get rounded off when undoing nasty rusted bolts unlike really cheap sets. A hex key or allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads. What are the difference between imperial and metric allen keys.

In stock and ready to ship. Stan dard sae hex key sizes inches metric hex key sizes mm notes compares standard and metric allen wrench sizes where they closely match and where they don t wrench equivalence 15 key set. Most manufacturers will publish an allen key size. We ve provided the best substitute sae hex key for each given metric size.

Imperial to metric for allen keys. In that case you ll want a range of allen wrenches to make sure you have the right size for every particular need. Are there any difference in the structures of these key eg. As you ll notice there isn t always a perfect substitute.

Allen keys imperial these standard allen keys offer a larger range of sizes than the stainless types. These allen keys or wrenches from wera feature a hex plus head on the short arm and a six sided ball head on the long arm. High system fixtures are a particular culprit for needing imperial allen keys. Interchangable 0 028 and 0 7mm.

You can find a chart of the allen wrench sizes from any manufacturer. The inch or millimeter size may have rubbed off with use or may be entirely too small to read. Differ ence in 1 1000s of an inch. In this case an allen wrench or hex key chart can make finding the right size for your socket head much easier.

Can i find these exact key 39 s in an allen key metric set. Hex plus offers a bigger contact surface in the screw head and so reduces the chance of wear and rounding off the. The tool is usually formed of a single piece of hexagonal rod of hard steel with blunt ends that are meant to fit snugly into the screw s socket bent in an l shape with unequal arms the tool is usually held and twisted by the long arm creating a large torque at the tip of the. One difference is the units mm inches.

But before you choose to reference this chart you must know that we always recommend that you upgrade to a separate metric hex key set. Choose from our selection of metric allen keys including ball end l key sets l keys and more. The good news is that just about every tool manufacturer has a range of allen wrench sets you can buy. 5 64 allen wrench 050 allen wrench.

For instance metric size 9 mm doesn t have an imperial counterpart.