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2. Impact wrench - Wikipedia

   en.wikipedia.org/wiki/Impact_wrench

   A 1/2" drive pistol-grip air impact wrench. 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 ...

3. Chicago Pneumatic - Wikipedia

   en.wikipedia.org/wiki/Chicago_Pneumatic

   In 1970, the CP611 impact wrench was used in the steel erection phase of the World Trade Centers (New York City). Sold for several years into industrial markets, CP torque impact wrenches were introduced in the 1970s into the automotive market. In 1987, Chicago Pneumatic became part of the Swedish conglomerate Atlas Copco. During 1988, more new ...

4. Power wrench - Wikipedia

   en.wikipedia.org/wiki/Power_wrench

   A power wrench is type of wrench that is powered by other means than human force. A typical power source is compressed air . There are two main types of power wrenches: impact wrenches and air ratchet wrenches or pneumatic ratchet wrenches .

5. Pneumatic tool - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_tool

   Drilling a blast hole with a pneumatic drill (jackhammer). A pneumatic tool, air tool, air-powered tool or pneumatic-powered tool is a type of power tool, driven by compressed air supplied by an air compressor. Pneumatic tools can also be driven by compressed carbon dioxide (CO 2) stored in small cylinders allowing for portability. [1]

6. Socket wrench - Wikipedia

   en.wikipedia.org/wiki/Socket_wrench

   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.

7. Bahco - Wikipedia

   en.wikipedia.org/wiki/Bahco

   During the 1960s and 1970s AB Bahco consisted of four major companies: Bahco Ventilation, Mecamen, Bahco Tools and Bahco Sudamericana.Bahco Ventilation was responsible for products and facilities for air purification, energy and recycling, Mecamen had all the pneumatics, hydraulics and control systems and Bahco Tools controlled the production of hand tools, air tools and hydraulic tools. [4]