... 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 ... well drilling, hydro exploration drilling.Drilling Capacity 1) Hole diameter 75, 91,110,130,150 mm2) Drilling ... kw/2000 rpm mini crawler drilling machine for soil testing, SPT testing