... 300 Water Well Drilling Machine 1,Full-hydraulic chuck 2,Widely used in exploration 3,Drilling rod diameter 50 HGY-300 Water Well ... the projects e.g. prospecting, railway, road, port, bridge, water conservancy and hydropower, tunnel, well, industrial and civil construction, ... rope diameter (mm)13Mode of chuckFull-hydraulic chuck or ball-type chuck Weight(power unit excepted)(Kg) 1200Overall dimensions ...