China Hjg Drill HD45 DTH Hammer 4 Inch Drilling Hammer, Find details about China DTH Hammer, Rock Drilling from Hjg Drill HD45 DTH Hammer 4 Inch Drilling Hammer
Length(exclude bit) | Weight(exclude bit) | External Diameter | Bit Shank | Hole Range | Connection Thread | |
1030mm | 39.00 kg | Φ99 mm | Cop44, DHD340 | Φ110mm _ Φ135mm | API 2 3/8'' 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 | 27 Hz | 25-40 rpm | 6 m³/min | 10 m³/min | 15 m³/min |