GXY-1 VERTICA SHAFT TYPE CORE DRILLING RIG FOR ENGINEERING EXPLORATION The GXYseries spindle type drilling rig is used in engineering geological exploration,survey ... structure,etc.According to various layers, it can be drilling with hard alloy bit,augerblt ,etc.FeaturesIt has large inputpower ... or hydraulic clamp,structure with oil pressure feed device, GXY-lA, lB, 1C drilling rigsHole collar is made ...