China Hjg Hsd12 DTH Hammer, Find details about China Dth Hammer, Rock Drilling from Hjg Hsd12 DTH Hammer
Length(exclude bit) | Weight(exclude bit) | External Diameter | Bit Shank | Hole Range | Connection Thread | |
1880 mm | 487.00 kg | Φ275 mm | SD12 | Φ305mm _ Φ445mm | API 6 5/8'' Reg | |
Working Pressure | Impact rate at 0.5 MPa | Recommended Rotary Speed | Air Consumption | |||
1.0 MPa | 1.8 MPa | 2.4 MPa | ||||
1.0 - 2.5 MPa | 16 Hz | 15-25 rpm | 30 m³/min | 56 m³/min | 78 m³/min |