NEW HW930 Separated DTH Surface Drilling Rig  Rated Power: 58KW  Drill Depth: 30m  Drill Diameter: 110-165 mm    The biggest advantage of the down-the-hole drilling rig is that in the process of rock drilling, the impactor dives into the hole to reduce the energy loss caused by the impact energy transmitted by the drill pipe, thereby reducing the impact of the hole depth on the rock drilling efficiency.  The down-the-hole drilling rig is equipped with an air compressor, which greatly improves the work efficiency.   .........

NEW HW925G Separated DTH Surface Drill Rig  Rated Power: 58 kW  Drill Depth: 30m  Drill Diameter: 110 -138 mm    The biggest advantage of the down-the-hole drilling rig is that in the process of rock drilling, the impactor dives into the hole to reduce the energy loss caused by the impact energy transmitted by the drill pipe, thereby reducing the impact of the hole depth on the rock drilling efficiency.    The down-the-hole drilling rig is equipped with an air compressor, which greatly improves the work efficiency. .........

NEW HW925 Separated DTH Surface Drilling Rig  Rated Power: 58KW  Drill Depth: 30m  Drill Diameter: 110-138 mm    1.Standard equipped with Yuchai 4 cylinder YC4DK80 and YC4DK100  2.All structural parts reinforced for various work conditions.  3.The rotation unit driven by cycloid motor for higher torque and larger hole range.  4. New enclosure design for better appearance and convenient for maintenance and service.  5. Optional dry dust collector for dust free drilling ,more environment friendly and energy saving. .........

NEW HW912B Separated DTH Surface Drilling Rig  Rated Power: 58Kw  Drill Diameter: 90-110 mm  Weight: 3,850 kg    DTH Surface Drilling Rig HW912B-1 is an upgraded product of the 910 machine, which has been optimized and upgraded to maximize the lifting function.    The biggest advantage of the down-the-hole drilling rig is that in the process of rock drilling, the impactor dives into the hole to reduce the energy loss caused by the impact energy transmitted by the .........

NEW HW910B Separated DTH Surface Drill Rig  Rated Power: 60Kw  Drill Diameter: 90-110 mm  Weight: 3,400 kg    The biggest advantage of the down-the-hole drilling rig is that in the process of rock drilling, the impactor dives into the hole to reduce the energy loss caused by the impact energy transmitted by the drill pipe, thereby reducing the impact of the hole depth on the rock drilling efficiency.    The down-the-hole drilling rig is equipped with an air compressor, which greatly improves the work efficiency.   .........

New HW910 Separated DTH Surface Drilling Rig  Drill Diameter: 90-110 mm  Weight: 3,800 kg  Diesel Engine Yuchai YCD4R12T-70 or Electric motor (model HW910D)  Rated Power 58kW ( Dust collection system as standard equipment)    The biggest advantage of the down-the-hole drilling rig is that in the process of rock drilling, the impactor dives into the hole to reduce the energy loss caused by the impact energy transmitted by the drill pipe, thereby reducing the impact of the hole depth on the rock drilling efficiency. .........

New HW920 Separated DTH Surface Drill Rig  Drill Depth: 30m  Drill Diameter: 110-138 mm  Diesel Engine Yuchai YC4DK80  Rated Power 58kW ( Dust collection system as standard equipment)    The biggest advantage of the down-the-hole drilling rig is that in the process of rock drilling, the impactor dives into the hole to reduce the energy loss caused by the impact energy transmitted by the drill pipe, thereby reducing the impact of the hole depth on the rock drilling efficiency.    The down-the-hole drilling rig is .........