... sampling Drilling MachineIt is widely used in the construction of the projects e.g. prospecting, railway, road, port, bridge, water ... as clutch, transmission case and shifting structure. Technological Data of soil sampling Drilling Machine ModelHGY-300 Drilling MachineDrilling depth( m ... single) max(KN)30Steel wire rope diameter (mm)13Mode of chuckFull-hydraulic chuck or ball-type chuck Weight(power ...