Open-Pit Mining & Quarrying Equipped with a high-output famous brand screw air compressor delivering 24 bar working pressure and 24 m³/min FAD, the rig efficiently handles blast hole drilling ranging from Φ140 mm to Φ190 mm in diameter, with drilling depths up to 35 meters. Whether operating in soft sedimentary rock or hard granite formations, the dual-stage compression system ensures powerful, reliable penetration rates that keep production on schedule. Versatile Rock