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2. Breaker (hydraulic) - Wikipedia

   en.wikipedia.org/wiki/Breaker_(hydraulic)

   A breaker is a powerful percussion hammer fitted to an excavator for demolishing hard (rock or concrete) structures. It is powered by an auxiliary hydraulic system from the excavator, which is fitted with a foot-operated valve for this purpose.

3. Hammer drill - Wikipedia

   en.wikipedia.org/wiki/Hammer_drill

   Hammer drills almost always have a lever or switch that locks off the special "hammer clutch," turning the tool into a conventional drill for wood or metal work. Hammer drills are more expensive and more bulky than regular drills, but are preferable for applications where the material to be drilled, concrete block or wood studs, is unknown.

4. Chuck (engineering) - Wikipedia

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

   Developed by Bosch in 1975 for hammer drills, the SDS System uses an SDS Shank which is a cylindrical shank with indentations to be held by the chuck. [3] A tool is inserted into the chuck, and is locked in place until the lock is released. The rotary force is transmitted through wedges that fit into two or three open grooves.

5. Jackhammer - Wikipedia

   en.wikipedia.org/wiki/Jackhammer

   A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. [1] Hand-held jackhammers are generally powered by compressed air, but some are also powered by ...

6. Slide hammer - Wikipedia

   en.wikipedia.org/wiki/Slide_Hammer

   A slide hammer is a tool that attaches to an object needing to be pulled and transmits an impact force to the object without striking the object itself. Slide hammers typically consist of a long metal shaft with an attachment point at one end, a heavy weight that can slide along the shaft , and a stop for the weight to impact on the end ...

7. Contact breaker - Wikipedia

   en.wikipedia.org/wiki/Contact_breaker

   Breaker arm with contact points at the left. The pivot is on the right and the cam follower is in the middle of the breaker arm. A contact breaker (or "points") is a type of electrical switch, found in the ignition systems of spark-ignition internal combustion engines. The switch is automatically operated by a cam driven by the engine.

8. Breaker bar - Wikipedia

   en.wikipedia.org/wiki/Breaker_bar

   A breaker bar is able to create a larger amount of rotational force compared to a standard socket wrench. A standard breaker bar is strong enough to allow the user to apply up to 2,500 pound-feet (3,400 N⋅m) of torque without breaking the bar. [3] A high-end 1/2" socket wrench can withstand a maximum of 500 pound-feet (680 N⋅m) of torque. [4]

9. Bosch (company) - Wikipedia

   en.wikipedia.org/wiki/Bosch_(company)

   Its Power Tools division is a supplier of power tools, power tool accessories, and measuring technology. In addition to power tools such as hammer drills, cordless screwdrivers, and jigsaws, its products also include gardening equipment such as lawnmowers, hedge trimmers, and high-pressure cleaners. One of the division's focal points is ...