Allen wrench

English

Etymology

Allen, the name of Allen Manufacturing Company, and wrench.

Noun

Allen wrench (plural Allen wrenches)

1. (US) A hex head wrench.

Synonyms

• (hex head wrench): Allen key, hex head wrench, hex key

Related terms

• Allen bolt
• Allen key
• Allen screw

Translations

Allen key — see Allen key

Further reading

• “Allen wrench”, in Collins English Dictionary.
• “Allen wrench”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “Allen wrench”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “Allen wrench”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.