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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.
A click torque wrench. A torque wrench is a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw.It is usually in the form of a socket wrench with an indicating scale, or an internal mechanism which will indicate (as by 'clicking', a specific movement of the tool handle in relation to the tool head) when a specified (adjustable) torque value has been reached ...
An impact wrench (also known as an impactor, impact gun, air wrench, air gun, rattle gun, torque gun, windy gun) is a socket wrench power tool designed to deliver high torque output with minimal exertion by the user, by storing energy in a rotating mass, then delivering it suddenly to the output shaft. It was invented by Robert H. Pott of ...
In the calibrated wrench method the wrench is calibrated or adjusted to shut off when the desired torque is reached. The hydraulic ones do not have a standard calibration procedure, but the practice follows the manual torque standards ASME B107.14-2004, ISO 6789:2003, or similar ones. [2]
A type of wrench designed to use the same drive sizes as socket wrenches, but non-cylindrical in shape. The ends are the same as those found on the open-end, box-end, or the flare-nut wrenches. These wrenches are used when torque must be measured, or when the application precludes the use of a regular socket or wrench.
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Most of the tools were collected by Raphael Salaman (1906–1993), who wrote two classic works on the subject: Dictionary of Woodworking Tools [3] and Dictionary of Leather-working Tools. [4] David Russell's vast collection of Western hand tools from the Stone Age to the twentieth century led to the publication of his book Antique Woodworking ...
T-shaped tuning wrench Traditional piano tuning levers Post-Medieval tuning hammer. A tuning wrench (also called a tuning lever or tuning hammer) is a specialized socket wrench used to tune string instruments, such as the piano, harp, and hammer dulcimer, that have strings wrapped around tuning pins.