ALLENKEY Meaning and
Definition
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An Allen key, also known as an Allen wrench or hex key, is a hand tool used to tighten or loosen screws and bolts with hexagonal socket heads. Named after its inventor, William G. Allen, an Allen key consists of a short, L-shaped bar with a hexagonal cross-section on both ends, varying in size to accommodate different bolt heads.
The tool is typically made of hardened steel to endure frequent use and prevent wear. It features a right-angled bend in the center, allowing for effective torque transfer and ensuring a secure grip. One end of the Allen key fits precisely into the hexagonal socket of the bolt, while the other end provides a handle for exerting force during rotation.
Due to its hexagonal cross-section, the Allen key provides more contact points compared to other screwdriver-type tools, resulting in a higher torque application and lower risk of slippage. This makes it particularly suitable for fastening and loosening tight bolts or screws without causing damage.
Allen keys come in various sizes, marked by metric measurements (such as millimeters) or imperial measurements (such as inches). They are commonly used in DIY projects, assembling furniture, bicycles, machinery, electronic devices, and other applications where hexagonal socket screws are utilized.
Overall, the Allen key is a versatile tool valued for its efficiency, simplicity, and maneuverability, offering a reliable solution for tightening and loosening screws with hexagonal socket heads.
Etymology of ALLENKEY
The word "Allenkey" is derived from the combination of two terms: "Allen" and "key".
The term "Allen" refers to William G. Allen, an Englishman who patented a hexagonal socket wrench in 1909. This type of wrench, commonly known as an Allen wrench, was designed for tightening screws with hexagonal sockets. The name "Allen" became synonymous with this type of tool and is widely used in various English-speaking countries.
The term "key" in this context refers to a tool used for turning or operating a mechanism. It stems from the Old English word "cǣg", meaning "key" or "instrument".
Combining these two terms, "Allenkey" refers to a specialized key or wrench used to turn screws or bolts with hexagonal sockets, commonly known as an Allen wrench or hex key.
