Allen key

noun

British
: a small tool that is used to turn a special type of screw

Examples of Allen key in a Sentence

Recent Examples on the Web
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The kit includes a wrench, pliers, claw hammer, ratchet screwdriver, utility knife, tape measure, level, and Allen key set. — Terri Williams, Forbes.com, 2 Apr. 2026 The kit includes an Allen key and new screws to install into the product’s legs. — Kayla Grant, People.com, 13 June 2025 Assembly was straightforward and required only an Allen key, but the crib is heavy, so putting it together is best accomplished with two people. — Chaunie Brusie, Rn, Parents, 19 Apr. 2024

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“Allen key.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Allen%20key. Accessed 30 Sep. 2026.

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