Powerful & Durable Motor: A 13Amp industrial motor with 5.5J 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 1-1/4 inch. 1500W high-performance rotary hammer drill helps increase your efficiency and improve your life. Choose Between 4 Functions: Four function modes can be easily switched: drill only(suitable for wood and steel), hammer only(ideal for concrete and brick), hammer drill function(proper for heavy-duty work), and chisel position adjustment. 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 940prm no-load speed and 4300bpm max impact frequency. In addition, the double vibration control design effectively reduces injury during work. Pound away at the ground and break through any challenges with ease!

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