Allen bolt

noun
Al·​len bolt | \ ˈa-lən- How to pronounce Allen bolt (audio) \

Definition of Allen bolt

hardware
: a bolt with a hexagonal socket in its head that is designed to be used with an Allen wrench The Allen bolt is integral to the crank and remains in it when the crank is removed from the spindle.— Eugene A. Sloane, Sloane’s New Bicycle Maintenance Manual, 1981

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First Known Use of Allen bolt

1972, in the meaning defined above

History and Etymology for Allen bolt

Allen Manufacturing Co., Hartford, Connecticut

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Time Traveler for Allen bolt

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The first known use of Allen bolt was in 1972

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Dictionary Entries Near Allen bolt

allenarly

Allen bolt

Allenby

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Statistics for Allen bolt

Cite this Entry

“Allen bolt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Allen%20bolt. Accessed 21 Sep. 2021.

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