... with capacity of 100m/nq capacity, suitable for soil testing, SPT testing Mini Crawler Drilling Rig.Suitabble for diamond core drilling ... , carbide core drilling, SPT test drilling, small water well drilling, hydro exploration drilling.Drilling ... Capacity 1) Hole diameter 75, 91,110,130,150 mm2) Drilling depth: 150,100,70,50,30 m2. Rod Dia. 42 ...