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Item Description | Weight (KG) | Part Number |
1. Top Sub | 34 | K8-1 |
2. "O"-Ring of Top Sub | 0.015 | K8-2 |
3. Check Valve | 1.2 | K8-3 |
4. Spring | 0.1 | K8-4 |
5. Air Distributor | 6.00 | K8-5 |
6. Internal Cylinder | 6.5 | K8-6 |
7. Piston | 42.5 | K8-7 |
8. External Cylinder | 60 | K8-8 |
9. Guided Sleeve | 5.3 | K8-9 |
10. "O"Ring of Stop Ring | 0.1 | K8-10 |
11. Stop Ring | 1.2 | K8-11 |
12. Driver Chuck | 17.5 | K8-12 |
13. Drill Bit | K8-13 |
Product data | ||
Length(Without bit) | 1358mm | |
Weight(Without bit) | 175.0Kg | |
Bits shank | Cop84/DHD380/HD85 | |
External diameter | Φ180mm | |
Bits diameter | Φ195-Φ254mm | |
Connection Thread | API 4 1/2"Reg | |
Working Pressure | 1.0-3.0Mpa | |
Impace rate at.1.7Mpa | 22Hz | |
Recommended rotation speed | 15-25r/min | |
Air consumption | 1.8Mpa 26m³/min |
2.4Mpa 34m³/min |