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