... chuckFull-hydraulic chuck or ball-type chuckWeight(power unit excepted)(Kg)750Overall dimensions(mm)1860*800* ... prospection, railway, road, port, bridge, water conservancy and hydropower, tunnel, well, industrial and civil construction2. Coal mining exploration, Ore ... and light weight.5 )Perfect frame's rigidity ,low center of gravity and good stability. HGY200D Core Drilling Rig for 200M,also for Water ...