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The hex socket screw drive has a hexagonal recess and may be driven by a hex wrench, also known as an Allen wrench, Allen key, hex key, or inbus as well as by a hex screwdriver (also known as a hex driver) or bit. Tamper-resistant versions with a pin in the recess are available.
The terms "Allen wrench" (American English, though "Allen key" is also common in the US) and "Allen key" (British English) [3] are derived from the Allen brand name and refer to the generic product category "hex keys". W.G. Allen [4] filed the first related patent in 1909 for its recessed hex-driven safety screws, [5] a safety improvement over ...
A hex key (also, hex wrench, Allen key and Allen wrench, Unbrako or Inbus) is a simple driver for bolts or screws that have heads with internal hexagonal recesses ().. Hex keys are formed from a single piece of hard hexagonal steel rod, having blunt ends that fit snugly into similarly shaped screw sockets.
A Halfords in Kirkstall, Leeds (2006). Halfords was founded by Frederick Rushbrooke, in Birmingham in 1892, as a wholesale ironmongery. [3] The company takes its name from Halford Street, named after the physician, Henry Halford, in Leicester, where Rushbrooke opened a store in 1902 and started selling cycling goods.
This is a list of firearm cartridges which have bullets in the 12 millimetres (0.47 in) to 12.99 millimetres (0.511 in) caliber range.. Length refers to the cartridge case length.
Set 3-1 has three possible rotations/inversions; the normal form (left) is the most compact, corresponding to the smallest sectorIn musical set theory, a Forte number is the pair of numbers Allen Forte assigned to the prime form of each pitch class set of three or more members in The Structure of Atonal Music (1973, ISBN 0-300-02120-8).
Alan Lee Keyes (born August 7, 1950) is an American politician, political scientist, and perennial candidate who served as the Assistant Secretary of State for International Organization Affairs from 1985 to 1987.
The Allen Organ Company factory building is located at 150 Locust Street in Macungie, Pennsylvania. It was originally an air conditioned textile mill that Allen's founder, Jerome Markowitz and Vice President purchased, they renovated the mill and moved organ manufacturing into around 1953.
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