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