China DTH Hammer Rock Drilling Tools HD40A Without Foot Valve Mining Machine Water Well Machine, Find details about China High Air Pressure, Rock Drilling from DTH Hammer Rock Drilling Tools HD40A Without Foot Valve Mining Machine Water Well Machine
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 |