... well, industrial and civil construction, geological exploration, large diameter boring pile and small diameter diamond core deep hole drilling.Main FeaturesWide range ... system. ModelHGY-1500Drilling Depth (m)1200-1500Drilling Rod Diameter(mm)Φ42 Φ50Dip Angle of Hole (°)0-360Cylinder Stroke ... 378, 415,570,808,1081Reverse: 58,152Spindle Hole Diameter (mm)Φ95Spindle Output Torque(N.M)5200 or 6300Spindle ...