... :13.5t ZGYX-6500 All-hydraulic Drill Rig Features: ZGYX-6500 Hydraulic Crawler Rock Drill own stage,Can be used ... slope drilling, civil construction works.ZGYX-6500 Rock Drill drilling aperture of 76-152 mm (2-5 ... 5 inch and 2 inches.When using the steel drill pipe, diameter up to 6 inches, stage height ... up to 25 meters. Rock Drill ZGYX-6500 diesel engine-driven, crawler frame stable ...