Specification of the core drill rig: Motor: 110/220/240V, 50-60Hz Power input: 3500 W No-load Speed: 460/900 RPM Max drilling Dia.: 300mm Package size: 113X54x52cm Features of the core drill rig: 1. Two-gear rotary speed is designed, through knob to adjust the speed of gear. 2. Fitted with safety clutch, which can avoid damaging the frame when the twisting force is too high.

