: an L-shaped hexagonal metal bar either end of which fits the socket of a screw or bolt
Examples of Allen wrench in a Sentence
Recent Examples on the Web
Also included: Extra replacement screws, an Allen wrench kit, and various extra parts.
—
Scott Kramer, Forbes, 19 Mar. 2025
One was an Allen wrench and the others were homemade handcuff keys, including one that was found under his tongue at his trial.
—Landon Mion, Fox News, 15 Mar. 2025
Look for detailed instructions and organizers that don’t require tools beyond a screwdriver or Allen wrench.
—Bestreviews, The Mercury News, 14 Mar. 2025
Some shower faucets thread onto the pipe, while other faucets slip on and install with a screwdriver or an Allen wrench.
—Bestreviews, Chicago Tribune, 19 Feb. 2025
Her travel kit typically includes duct tape, Allen wrenches and other small tools for minor fixes.
—Zach Wichter, USA TODAY, 25 Nov. 2024
As long as the bolts are steel (most are), these magnetic inserts drop right in and prevent an Allen wrench from fitting into the bolt head.
—Matt Jancer, WIRED, 28 Nov. 2023
Some use Allen wrench screws, while other manufacturers use two nut-and-bolt attachment points at the four connection points to secure the clamp to the tent, sandwiched between the rack itself.
—Nathan Borchelt, Travel + Leisure, 22 Aug. 2023
The entire unit is assembled with an Allen wrench which is included.
—Hannah Jones, Country Living, 11 Aug. 2023
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Scott Kramer, Forbes, 19 Mar. 2025
One was an Allen wrench and the others were homemade handcuff keys, including one that was found under his tongue at his trial.
—Landon Mion, Fox News, 15 Mar. 2025
Look for detailed instructions and organizers that don’t require tools beyond a screwdriver or Allen wrench.
—Bestreviews, The Mercury News, 14 Mar. 2025
Some shower faucets thread onto the pipe, while other faucets slip on and install with a screwdriver or an Allen wrench.
—Bestreviews, Chicago Tribune, 19 Feb. 2025
Her travel kit typically includes duct tape, Allen wrenches and other small tools for minor fixes.
—Zach Wichter, USA TODAY, 25 Nov. 2024
As long as the bolts are steel (most are), these magnetic inserts drop right in and prevent an Allen wrench from fitting into the bolt head.
—Matt Jancer, WIRED, 28 Nov. 2023
Some use Allen wrench screws, while other manufacturers use two nut-and-bolt attachment points at the four connection points to secure the clamp to the tent, sandwiched between the rack itself.
—Nathan Borchelt, Travel + Leisure, 22 Aug. 2023
The entire unit is assembled with an Allen wrench which is included.
—Hannah Jones, Country Living, 11 Aug. 2023
Cite this Entry
“Allen wrench.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Allen%20wrench. Accessed 20 Apr. 2025.
Copy CitationKids Definition
Allen wrench
noun
Al·len wrench
ˈal-ən- 
: an L-shaped hexagonal metal bar used to turn a screw or bolt
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