... drilling machine for meddium holes core drilling. XY-2 CORE DRILL XY-2 Series Core Dill is portable hydraulic-feeding spindle ... Rod200m(Φ200mm)200m(Φ200mm) Φ73 Drilling Rod100m(Φ300mm)100m(Φ300mm) DRILL HEAD Spindle I.D. 76mm96mm46x51mm Spindle Speed Fowards65,114,180 ... ,157,270,470,742,102481,164,298,334,587,1190 (RPM) Reverse51,24245,21298,199 Spindle Stroke600mm600mm500mm Max. Torque of Spindle ...