China Digging Machine Water Well Drilling Tools SD60 Mining Machine Water Well Drilling Tools with Foot Valve High Air Pressure DTH Hammer, Find details about China High Air Pressure, Rock Drilling from Digging Machine Water Well Drilling Tools SD60 Mining Machine Water Well Drilling Tools with Foot Valve High Air Pressure DTH Hammer
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1261mm | 100kgs | 148mm | SD60 | 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 |