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Originally named Allen Manufacturing Company, the business produced hexagonal set screws and wrenches to fasten them. 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".
Quarter-inch hex shanks are common for machine screwdriver bits and have spread from that application to be used for drill bits that are compatible with screwdriver machinery. Zero manufacturing if the drill bit is made from hex bar stock; Can be held in a drill chuck made for cylindrical shanks; Can be held in a hex screwdriver bit chuck
Standard 12-point hex socket bits and wrenches fit these screws. The screw heads are typically flanged, and may fit into standard Allen hex socket cap screw counterbores molded or machined into parts to be fastened. Compared to Allen hex sockets, the advantages of these bolts include higher torque capability and the lack of a recess to trap water.
Easco Hand Tools was an American manufacturer of hand tools. It is best known for being the main supplier of mechanic's tools for the Craftsman brand. Its tools were also sold under the Allen and KD Tools brands after its acquisition by Danaher Corporation. The brand name was gradually phased out by Danaher.
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.
The brothers manufactured bicycle parts and tools for repairing and manufacturing bicycles from the brothers' backyard shed and managed a retail store in downtown Chicago. [3] In 1895, Armstrong introduced a tool holder for lathe cutting bits. Rather than individual forged cutting tools, this product used a single forged shank with ...