5-10 Inch Hammer
Length: 978-1412mm (without bit) Weight: 60-288kg Hole Range: 136-311mm Connection Thread: API2-3/8"REG (Optional), API4-1/2" REG (Optional)
| Model No. | ND580 | ND680 | ND882 | ND1080 |
| Length (Without Bit) | 978mm | 1135mm | 1266mm | 1412mm |
| Weight (Without Bit) | 60kg | 100.5kg | 180kg | 288kg |
| External Diameter | Φ126mm | Φ148mm | Φ185mm | Φ225mm |
| Hole Range | Φ136-155mm | Φ158-203mm | Φ200-254mm | Φ254-311mm |
| Connection Thread | API2-3/8"REG (Optional) | API3-1/2" REG (Optional) | API4-1/2" REG (Optional) | API4-1/2" REG (Optional) |
| Working Pressure | 1.5-2.6Mpa | 1.5-2.6Mpa | 1.7-3.0Mpa | 2.2-3.5Mpa |
| Impact Rate | 32HZ at 1.7Bar | 29HZ at 1.7Bar | 28HZ at 1.8Bar | 32HZ at 2.4Bar |
| Recommended Rotation Speed | 30-60r/min | 25-55r/min | 25-50r/min | 25-50r/min |
| Air Consumption | 1.8Mpa:12.0m3/min | 1.8Mpa:17.0m3/min | 1.8Mpa:23m3/min | 2.4Mpa:62m3/min |
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