... mm 3)Hydraulic or Electric type 4)Trailer mounted Borehole drilling machine for sale (100-600m depth) introduction: Full ... ore mine, stone quarry, energy industry, geological exploitation.Borehole drilling machine (100-600m depth) advantages:1) Designed for both ... rod, bit, core barrel, rope, and so on.Borehole drilling machine main parameters: ModelDLX-130YDLX-180YDLX-200YDLX-3YDLX-3Drilling depth ...