Core Drill Core Drill Core Drilling Machine Wet Dry Drilling Up To 1200rpm 2200W Description It is a concrete drilling rig that can greatly improve drilling efficiency and reduce workload. With 2200-watt power, pure copper motor, convenient operation, and dual use of dry and wet design, it brings you a new drilling experience. It is a good assistant for decoration, construction, and maintenance. Key Features Pure Copper Motor: The product adopts a pure copper motor with stable power, low heat dissipation, and low noise to provide excellent performance and maintain strong power and high efficiency even after a long time of use. Strong Power: With 2200 watts input power and an excellent pure copper motor, this concrete drilling rig presents a high speed of 1200RPM to drill standard hol.