Common Hex Key Sizes

They re designed to provide 360 rotation at angles up to 35.

Common hex key sizes. Everything from adjusting your brakes to tightening your seat post will require an allen key. A hex wrench or allen wrench features a hexagonal shape and can be used with automotive plumbing and electrical applications. Remember to be wary of the leverage when tightening a bolt. Hex fasteners are common in all sorts mechanical equipment and devices including bicycles motorcycle engines and assemble it yourself furniture aka ikea.

In addition to the precision sizes mentioned above the common metric allen wrench sizes are 1 5 mm 2 mm 2 5 mm 3 mm 4 mm 4 5 mm 5 mm 5 5 mm 6 mm 7 mm 8 mm 9 mm 10 mm. Hex keys with t shaped handles can provide increased turning power and more comfortable grips. Substituting uncommon hex sizes. Newer campy cranks attach at the center to the bottom bracket with a 10mm bolt.

Of these sizes some of the more popular ones are 2 5 mm 3 mm 4 mm 5 mm 6 mm 8 mm 10 mm. In standard measurements the most common allen wrench sizes for the tasks listed above that is automotive repair bike work and furniture assembly are the 5 32 inch 3 16. Hex keys are measured across flats af which is the distance between two opposite parallel flat sides of the key. Interchangable 0 028 and 0 7mm.

Differ ence in 1 1000s of an inch. 5mm hex or t25 torx wrench. Hex key kit with stand klein tools. However the 1 4 sae hex wrench will likely work in place of a 6 5 mm wrench.

Damage to the fastener or the tool can result from using a hex wrench that is too small for the socket for example a 5 mm tool used in a 5 5 mm socket. 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. If you only own a set of short allen keys consider getting at least the 8 and 10mm sizes in a longer length. Hex key equivalent sizes.

In the united states larger metric half sizes like 6 5 mm aren t standard in most hex key sets. Common sizes of allen wrenches although allen wrenches come in a wide range of sizes there are a few sizes in particular that tend to be more commonly used than others. Fixing bolts number and sizes vary. Hex key standard sizes.

Common metric hex key sizes. Also called hex keys allen keys are an essential for bike maintenance.