China HD60 DTH Hammer Mining Machinery Digging Machine Water Well Machinery Rock Drilling Tools with Foot Valve, Find details about China High Air Pressure, Rock Drilling from HD60 DTH Hammer Mining Machinery Digging Machine Water Well Machinery Rock Drilling Tools with Foot Valve
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1248mm | 100kgs | 148mm | HD60 | 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 |