Allen/Hex Keys – Definition & Detailed Explanation – Bicycle Maintenance and Repair Glossary
I. What is an Allen/Hex Key? An Allen key, also known as a hex key or Allen wrench, is a tool used to drive bolts and screws with hexagonal sockets in their heads. The tool is usually L-shaped, with one end featuring a hexagonal-shaped tip that fits into the socket of the bolt or screw. … Read more