Common Hex Key Sizes

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.

Common hex key sizes.

If you only own a set of short allen keys consider getting at least the 8 and 10mm sizes in a longer length. Also called hex keys allen keys are an essential for bike maintenance. Hex key standard sizes. Common metric hex key sizes.

Hexagonal ones are great for easy grip but the folding ones give you more sizes. 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. Hex keys are measured across flats af which is the distance between two opposite parallel flat sides of the key. Newer campy cranks attach at the center to the bottom bracket with a 10mm bolt.

Everything from adjusting your brakes to tightening your seat post will require an allen key. They re designed to provide 360 rotation at angles up to 35. Substituting uncommon hex sizes. Hex key kit with stand klein tools.

A hex wrench or allen wrench features a hexagonal shape and can be used with automotive plumbing and electrical applications. Interchangable 0 028 and 0 7mm. In the united states larger metric half sizes like 6 5 mm aren t standard in most hex key sets. Remember to be wary of the leverage when tightening a 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. Hex keys with t shaped handles can provide increased turning power and more comfortable grips. 5mm hex or t25 torx 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.

Hex fasteners are common in all sorts mechanical equipment and devices including bicycles motorcycle engines and assemble it yourself furniture aka ikea. Hex key equivalent sizes. Use ball end hex keys at an angle off axis to the screw. However the 1 4 sae hex wrench will likely work in place of a 6 5 mm wrench.

Fixing bolts number and sizes vary. Differ ence in 1 1000s of an inch.