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