China DTH Hammer Mining Machine Water Well Drilling Tools HD80A Without Foot Valve Rock Drilling Tools, Find details about China High Air Pressure, Rock Drilling from DTH Hammer Mining Machine Water Well Drilling Tools HD80A Without Foot Valve Rock Drilling Tools
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1359mm | 175kgs | 185mm | HD80 | 195-254MM | API 4 1/2" Reg | |
Working pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | |||
1.0 Mpa | 1.8 Mpa | 2.4 Mpa | ||||
1.0-3.0Mpa | 22Hz | 15-25r/min | 12m3/min | 22m3/min | 28m3/min |