China DTH Hammer HD40A High Air Pressure Mining Machinery Rock Drilling Tools Water Well Drilling Machine Without Foot Valve, Find details about China High Air Pressure, Rock Drilling from DTH Hammer HD40A High Air Pressure Mining Machinery Rock Drilling Tools Water Well Drilling Machine Without Foot Valve
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1011mm | 43.2kgs | 99mm | HD40 | 110-135MM | API 2 3/8" Reg | |
Working pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | |||
1.0 Mpa | 1.8 Mpa | 2.4 Mpa | ||||
1.0-3.0Mpa | 30Hz | 22-35r/min | 6m3/min | 10m3/min | 15m3/min |