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High Air Pressure DTH Hammer M4
Jayalakshmi's high quality top hammer rock drilling tools, which are widely use in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, well bore and other fields.
| Item Description | Weight (KG) | Part Number |
| 1. Top Sub | 4 | M4-01 |
| 2. "O"-Ring of Top Sub | 0.01 | M4-02 |
| 3. Cap | 0.1 | M4-03 |
| 4. Check Valve | 0.28 | M4-04 |
| 5. Spring | 0.02 | M4-05 |
| 6. Air distributor | 1.7 | M4-06 |
| 7. Cylinder | 1.5 | M4-07 |
| 8. Piston | 6.8 | M4-08 |
| 9. Guide sleeve | 1.2 | M4-09 |
| 10. "O"Ring | 0.015 | M4-10 |
| 11. Driver chuck | 2.7 | M4-11 |
| 12. Stop Ring | 0.4 | M4-12 |
| 13. Driver chuck | 2.7 | M4-13 |
| 14. Outer sleeve | 12 | M4-14 |
| Product data | |
| Length(Without bit) | 848mm |
| Connection Thread | API 2 3/8", REG BOX |
| Outside diameter | 104(mm) |
| Weight(Without bit) | 34(KG) |
| Drill diameter. | 115-150(mm) |
| Working air pressure. | 10-13(Bar) |
| Gas consumption | 8-12(M³/min) |
| Drill bit shank | CIR110/M4 |
