150m Depth Rotary Borehole Drilling Rig With Pump For Small Rock 2M/min

150m Depth Rotary Borehole Drilling Rig With Pump For Small Rock 2M/min Specification of borehole drilling rig The Drilling Rig The hole diameter (mm) 75, 91, 110, 130, 150, 300 Drilling depth (m) 150,100,70,50,30 Drill pipe diameter (mm) 42, 50 Drift angle of the drift hole(°) 90~75 Drill dimension(L * B * H) 1710 * 860 * 1360 (mm) Rig weight (except engine) 580 Application It can used in the field of water well drilling, geological core drilling, geological survey,lasting holes of railway, water conservancy, bridges, dam foundation and other bulidings, also for small grouting holes, We use different bits like diamond composite films and alloy for different strata.