China Hjg Drill Hbr1a DTH Hammer (BR1), Find details about China DTH Hammer, Rock Drilling from Hjg Drill Hbr1a DTH Hammer (BR1)
Length(exclude bit) | Weight(exclude bit) | External Diameter | Bit Shank | Hole Range | Connection Thread | |
760mm | 10.00 kg | Φ54 mm | BR1 | Φ64mm _ Φ76mm | BD40 BOX | |
Working Pressure | Impact rate at 0.5 MPa | Recommended Rotary Speed | Air Consumption | |||
0.7 MPa | 1 MPa | 1.4 MPa | ||||
0.7 - 1.75 MPa | 27 Hz | 25-40 rpm | 1.5 m³/min | 2.5 m³/min | 3 m³/min |