- An rod with six sides and often L-shaped. Used to remove certain screws and fastenings, especially set screws. Sometimes called "hex wrenches" or "Allen key."
Dictionary of automotive terms. 2015.
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Allen wrench™ — Allen key™ f16 [ˈælən kiː] [ˈælən kiː] (BrE) (NAmE ˈAllen wrench™) noun a small tool used for turning an ↑Allen screw … Useful english dictionary
Allen wrench — [ˈælən rentʃ] n AmE [Date: 1900 2000; Origin: Allen Manufacturing Company of Hartford, Connecticut] a tool used to turn an Allen screw British Equivalent: Allen key … Dictionary of contemporary English
Allen wrench — n. [often a w ] a thin, L shaped wrench with a hexagonal head at both ends, designed to fit the sockets of certain screws and bolts … English World dictionary
Allen wrench — noun A hex head wrench. Syn: Allen key, hex head wrench, hex key See Also: Allen screw, Allen bolt … Wiktionary
Allen wrench — a wrench for Allen screws, formed from a piece of hexagonal bar stock bent to a right angle. See illus. under wrench. [formerly a trademark] * * * … Universalium
Allen wrench — Al′len wrench n. bui a wrench for Allen screws, formed from a piece of hexagonal bar stock bent to a right angle … From formal English to slang
Allen wrench — noun a wrench for Allen screws • Hypernyms: ↑wrench, ↑spanner … Useful english dictionary
Allen wrench — Al|len wrench [ ælən ,rentʃ ] noun count AMERICAN a simple L shaped metal tool used for turning a screw that has a hole with six sides in the top … Usage of the words and phrases in modern English
Allen wrench — noun Etymology: Allen Manufacturing Co., Hartford, Conn. Date: 1943 an L shaped hexagonal metal bar either end of which fits the socket of a screw or bolt … New Collegiate Dictionary
Allen wrench — noun (C) AmE an Allen key … Longman dictionary of contemporary English