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| Rotary Hammer Drill |
A hammer drill, also known as a "rotary hammer" or "hammering drill", is a rotary drill with a hammering action. The hammering action provides a short, rapid hammer thrust to pulverize relatively brittle material and provide quicker drilling with less effort. These tools are usually electrically powered and battery operated are also available. This technology is also used in electric "demolition hammers", also known as "chipping guns".
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