Specification of the core drill rig: Motor: 110/220/240V, 50-60Hz Power input: 2600W No-load Speed: 460/900 RPM Max drilling Dia.: 255mm Features of the core drill rig: 1. It has two shift gear, which can adjust the speed with the knob, the slow shift is suitable for the drilling bit of large diameter, the quick shift is suitable for the drilling bit of medium and small diameter. 2. Equipped with safety clutch and current overload protection switch, which can prevent motor from overloading and operate the machine safety when the drill is blocked or the twisting force is too strong. 3. CE certified
