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2. Impact driver - Wikipedia

   en.wikipedia.org/wiki/Impact_driver

   A manual impact driver (for use with hammer) with screwdriver bits and adapters An impact driver is a tool that delivers a strong, sudden rotational force and forward thrust. The force can be delivered either by striking with a hammer in the case of manual impact drivers, or mechanically in the case of powered impact drivers.

3. Hughes Tool Company - Wikipedia

   en.wikipedia.org/wiki/Hughes_Tool_Company

   This included the drill bit (well) and tool joint product lines critical for oil and gas drilling, some of the first technologies for ram blast bits for drilling in mines, geothermal drilling, and a hydraulic powered jackhammer known as the Hughes Impactor. [7]

4. Screwdriver - Wikipedia

   en.wikipedia.org/wiki/Screwdriver

   Special combination drill-driver bits and adapters let an operator rapidly alternate between the two. Variations include impact drivers, which provide two types of 'hammering' force for improved performance in certain situations, and "right-angle" drivers for use in tight spaces. Many options and enhancements, such as built-in bubble levels ...

5. Cross-linked polyethylene - Wikipedia

   en.wikipedia.org/wiki/Cross-linked_polyethylene

   A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

6. Chuck (engineering) - Wikipedia

   en.wikipedia.org/wiki/Chuck_(engineering)

   A drill chuck is a specialised self-centering, three-jaw chuck, usually with capacity of 0.5 in (13 mm) or less, and rarely greater than 1 in (25 mm), used to hold drill bits or other rotary tools. This type of chuck is used on tools ranging from professional equipment to inexpensive hand and power drills for domestic use.

7. 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 ...