China Rock Drilling Tools SD60A Mining Machinery Water Well Drilling Tools High Air Pressure Without Foot Valve DTH Hammer, Find details about China High Air Pressure, Rock Drilling from Rock Drilling Tools SD60A Mining Machinery Water Well Drilling Tools High Air Pressure Without Foot Valve DTH Hammer
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1182mm | 90kgs | 148mm | SD60 | 155-203MM | 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 | ||||
1.0-3.0Mpa | 25Hz | 20-30r/min | 9m3/min | 18m3/min | 26m3/min |