China High Air Pressure Mining Machine Water Well Drilling Tools SD60 with Foot Valve Rock Drilling Tools DTH Hammer, Find details about China High Air Pressure, Rock Drilling from High Air Pressure Mining Machine Water Well Drilling Tools SD60 with Foot Valve Rock Drilling Tools 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 |