China HD60 DTH Hammer with Foot Valve Rock Drilling Tools Mining Machinery Water Well Drilling Tools High Air Pressure, Find details about China High Air Pressure, Rock Drilling from HD60 DTH Hammer with Foot Valve Rock Drilling Tools Mining Machinery Water Well Drilling Tools High Air Pressure
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1248mm | 100kgs | 148mm | HD60 | 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 |