Allen Wrenches: Essential Tools For Hexagonal Bolts And Screws
An Allen wrench, also known as a hex key or L-wrench, is a tool with a distinctive hexagonal-shaped bit. It is primarily used to tighten or loosen bolts and screws with hexagonal sockets. The high closeness rating of 10 indicates its close relationship to other tools with similar functions, such as Torx keys and hex…