An Allen key, also known as a hex key or a hex wrench, is a tool used to tighten or loosen screws and bolts with hexagonal sockets. It is a simple yet indispensable tool that can be found in almost every toolbox.
Definitions
An Allen key is a small tool with a hexagonal tip that is used to turn screws or bolts with hexagonal sockets. It is also known as a hex key or a hex wrench.
Origin
The Allen key was invented by William G. Allen in 1910. Allen was an employee at the Hartford Machine Screw Company in Connecticut, USA. He came up with the idea of a hexagonal tool that could be used to tighten screws and bolts with hexagonal sockets. The tool was initially called the “Allen safety set screw wrench” and was used in the manufacturing of automobiles.
Meaning in different dictionaries
In the Oxford English Dictionary, an Allen key is defined as “a small wrench with a hexagonal head used to turn screws or bolts with hexagonal sockets.”
In Merriam-Webster, an Allen key is defined as “a wrench with a hexagonal socket used to turn bolts and screws with hexagonal heads.”
Associations
The Allen key is commonly associated with DIY projects, furniture assembly, and bike repairs. It is a versatile tool that can be used in a variety of settings.
Synonyms
The Allen key is also known as a hex key, hex wrench, Allen wrench, and Allen driver.
Antonyms
There are no antonyms for Allen key as it is a specific tool with a unique purpose.
The same root words
The Allen key is named after its inventor, William G. Allen. It is also known as a hex key or hex wrench because of its hexagonal shape.
Example Sentences
- I need an Allen key to tighten this bolt.
- The furniture assembly kit came with an Allen wrench.
- The bike repair kit includes a set of hex keys.
- The mechanic used an Allen driver to remove the hexagonal bolt.