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Proto Tools (formally Stanley Proto) is an American industrial hand tool company. Founded as Plomb , it is presently a division of Stanley Black & Decker . The company is credited with creating the first combination wrench in 1933.
The company was one of the first to offer mass-produced drop-forged hand tools. [3] A second factory was opened in Buffalo, New York in 1914, now the site of General Motors' Tonawanda Engine plant. [4] The company was acquired by Snap-on in 1993. [citation needed] In 2011 it was officially renamed Snap-on Industrial Brands. [5]
It made automotive tools, such as wrenches and sockets, [1] and a number of specialty tools. [2] Blackhawk introduced a number of innovations to conventional drive tools, such as the "Lock-On" system of locking sockets, [3] gearless ratchets, [4] [5] telescoping ratchet handles, [6] and 7/16" drive tools. [7]
A battery torque wrench is driven by continuous gearing, and not by the hammers of an impacting wrench. A battery torque wrench has very little vibration, and excellent repeatability and accuracy. The benefit of a battery torque wrench is its capability to operate independently of an outside power source, making them useful for applications ...
A hydraulic torque wrench is a power tool designed to exert torque on a fastener to achieve proper tightening or loosening of a connection through the use of hydraulics. A torque wrench is applied to the nut either directly or in conjunction with an impact socket. Hydraulic torque wrenches apply a predetermined, controlled amount of torque to a ...
Pneumatic tools require a constant pressurized air source. Torque for this type of torque screwdriver ranges from 0.17 N⋅m (1.5 in lb) to 30 N⋅m (265 in lb), and speeds range from 800 to 2600 rpm. These tools must be near their compressed air source, not a problem in manufacturing but less suitable for general maintenance.
Vlchek originally made and sharpened tools for stonecutters and masons, and later made tools for automobiles and for agriculture machinery. Vlchek Tool Company was founded as a blacksmith shop in 1894 in Cleveland, Ohio by Frank J. Vlchek. [1] It was incorporated in 1909. [1] In 1958 Pendleton Tool Industries Co. bought the Vlchek Tool Company. [2]
Socket set with ratchet (above), four hex sockets and a universal joint. A socket wrench (or socket spanner) is a type of spanner (or wrench [1] in North American English) that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt.