China Ql60 DTH Hammer Mining Machine Water Well Drilling Tools High Air Pressure Rock Drilling Tools with Foot Valve, Find details about China High Air Pressure, Rock Drilling from Ql60 DTH Hammer Mining Machine Water Well Drilling Tools High Air Pressure Rock Drilling Tools with Foot Valve
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 |