Product Name: Hc726A1 Crawler Rock Borehole Drilling Rig for Quarry Model NO.: HC726A1 Drilling Way: Impactor Bit Type: Diamond Bit Drill Hole Depth: 25m Drill Hole Diameter: 90-130mm Condition: New Rock Hardness: F=6~20 Walking Speed: 2.5km/H Working Pressure: 0.7~1.6 MPa Air Consumption: 7-16m3 Rotate Speed: 0-70rpm Drill Rod: 73*3000mm Drill Bit: 90mm Hammer: 930 Weight: 4200kg Trademark: HonGWUHUAN Transport Package: Nude Packing Origin: China Product Description HC726A1 Crawler Rock Borehole Drilling Rig for QuarrySpecification forHigh Quality HC726ACrawler Rock Borehole Drilling Rig for QuarryModel (DTH drilling rigs)HC726A1Rock hardness6~20Hole diameter (mm)90~130(standard 90)Drill depth(m)25Climb ability25°Feeding modecylinderFeeding stroke (m)3Max. Lifting force (kN)15Rotating torque (N·m)1800Rotating speed (r/min)0~90Working pressure(Mpa)0.7~1.6Air consumption(m3/min)7~15Power of engine(KW)40Drill boom-oscillationangleLeft30°- Right30° Or 90°Walking speed(km/h)2.5Distance off ground(mm)300Overall dimension(mm)5260×2045×1950Whole weight(kg)4200Matching Air Compressor:Specification for HG550-13C Diesel Screw Air Compressor: