Common Hex Key Sizes

Lastly there s one other added benefit to having both sae metric hex keys.

Common hex key sizes.

Hex fasteners are common in all sorts mechanical equipment and devices including bicycles motorcycle engines and assemble it yourself furniture aka ikea. Substituting uncommon hex sizes. 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.

Use ball end hex keys at an angle off axis to the screw. They re designed to provide 360 rotation at angles up to 35. 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. Remember to be wary of the leverage when tightening a bolt.

5mm hex or t25 torx wrench. Common metric hex key sizes. Hex key equivalent sizes. A hex wrench or allen wrench features a hexagonal shape and can be used with automotive plumbing and electrical applications.

If you only own a set of short allen keys consider getting at least the 8 and 10mm sizes in a longer length. Hex keys with t shaped handles can provide increased turning power and more comfortable grips. Also called hex keys allen keys are an essential for bike maintenance. 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.

However the 1 4 sae hex wrench will likely work in place of a 6 5 mm wrench. Hexagonal ones are great for easy grip but the folding ones give you more sizes. Differ ence in 1 1000s of an inch. 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 the united states larger metric half sizes like 6 5 mm aren t standard in most hex key sets. Interchangable 0 028 and 0 7mm. Hex key kit with stand klein tools. 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.

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 key standard sizes.