Powerful & Durable Motor: A 8Amp industrial motor with 2.4J impact energy is designed to complete 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 inch. 800W 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.

High Speed System: The hammer drill for concrete is equipped with a high speed system. It can reach 1470prm no-load speed and 5200bpm max impact frequency. Pound away at the ground and break through any challenges with ease!