China Ql60 DTH Hammer Mining Machinery Water Well Drilling Tools with Foot Valve Rock Drilling Tools, Find details about China High Air Pressure, Rock Drilling from Ql60 DTH Hammer Mining Machinery Water Well Drilling Tools with Foot Valve Rock Drilling Tools
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1212mm | 100kgs | 148mm | QL60 | 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 |