... GY150, GY200, GY300, GY600, XY44A, GY1600 series water well drilling machines can reach 100m, 150m, 200m, 300m, 600m, ... as diamond core bit, drilling rod, coupling, core barrels and other drilling tools for water well drilling projects.For further information ... your detailed requirements. . Technical Specification of Water Well Drilling Machine(GY100) Basic ParametersDrilling depth150 100 20 mDrilling ...