China DTH Hammer HD40 Mining Machinery Water Well Drilling Tools High Air Pressure with Foot Valve Rock Drilling Tools, Find details about China High Air Pressure, Rock Drilling from DTH Hammer HD40 Mining Machinery Water Well Drilling Tools High Air Pressure with Foot Valve Rock Drilling Tools
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1030mm | 39kgs | 99mm | HD40 | 110-135MM | API 2 3/8" 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 | 27Hz | 25-40r/min | 6m3/min | 10m3/min | 15m3/min |