Powerful & Durable Motor: A 13Amp industrial motor with 10J impact energy is designed to complete heavy-duty concrete and metalworking projects quickly and precisely. Heat-resistant copper wire motor allows you to work longer without burning the machine. The max drilling diameter is 1-9/16 inch. 1600W high-performance rotary hammer drill helps increase your efficiency and improve your life. Choose Between 2 Functions: Two function modes can be easily switched: hammer only(ideal for concrete and brick) and hammer drill function(proper for heavy-duty work). The corded hammer drill has double switch buttons to change the functions, allowing it to last longer than a single switch button. Adjustable Speed & Vibration Control: The hammer drill for concrete is equipped with a speed control system; You can change the speed from 1 to 6 according to your needs. It can reach 560prm no-load speed and 3600bpm max impact frequency. In addition, the vibration control design effectively reduces injury during work. Pound away at the ground and break through any challenges with ease!

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