Specifications:
1) Max. drilling diameter: Φ80mm
2) Rated voltage: 110 / 220 / 240V
3) Rated frequency: 50 - 60Hz
4) Rated input power: 1,500W
5) Unloaded speed: 2,100 / 950r/min
6) Net weight: 6.5kg

Two-gear rotary speed is designed, and user can adjust the speed of gears through the knob. The top-gear is suitable for 20 ~ 52mm small diameter drill bits while the bottom-gear is suitable for 52 ~ 80mm diameter drill bits.

It is fitted with a safety clutch which can avoid damaging the frame when the twisting force is too strong. There are portable type and bracket type available.