360° Rotation Angle DTH Boring Machine , Underground Dth Drilling Machine

360 Degree Rotation Angle and 45 - 76 mm Diameter Underground Hydraulic DTH Rig Introduction Our underground hydraulic down-the-hole drilling rigs ,which can drill medium and deep hole with 45-76mm diameter in underground mining and tunneling. And our underground down the hole rigs have a wide range of work, drilling parallel holes in any direction (360 degree) and drilling scallops around any point. The rig is equipped with The rigs are equipped with cartridge wheels with