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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. Harbor Freight Tools - Wikipedia

   en.wikipedia.org/wiki/Harbor_Freight_Tools

   In 2022, Harbor Freight Tools opened a distribution center in Joliet, Illinois, spanning 1.6 million square feet in size and creating 800 new jobs. [13] In 2023 and 2024, Harbor Freight Tools was certified as a Great Place to Work. [5]

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. 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 ...

6. 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]

7. Hammer drill - Wikipedia

   en.wikipedia.org/wiki/Hammer_drill

   In 1848 J.J. Couch invented the first pneumatic percussion drill. [12] [13] [14] The origin of the first hammer drill is a matter of contention. German company Fein patented a Bohrmaschine mit elektro-pneumatischem Schlagwerk ("drill with electro-pneumatic striking mechanism") in 1914.