China Ql60 DTH Hammer Rock Drilling Tools with Foot Valve Mining Mahinery Water Well Drilling Tools High Air Pressure, Find details about China High Air Pressure, Rock Drilling from Ql60 DTH Hammer Rock Drilling Tools with Foot Valve Mining Mahinery Water Well Drilling Tools High Air Pressure
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1212mm | 100kgs | 148mm | QL60 | 155-190MM | API 3 1/2" Reg | |
Working pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | |||
1.0 Mpa | 1.8 Mpa | 2.4 Mpa | ||||
1.0-2.5Mpa | 23Hz | 20-30r/min | 10m3/min | 20m3/min | 28.5m3/min |