High-pressure DTH hammer of good quality and performance, with IS0 9001:2008 certification and of various specifications.

KQH3.5 High-pressure DTH Hammer

Basic Technical specifications

1. Hammer length without bit: 918(mm)

2. Top sub thread: API 23/8'' REG PIN

3. Outside diameter: 82(mm)

4. Weight: 24.6KG

5. Bit diameter: 90-105(mm)

6. Working pressure: 12-20(Bar)

7. Air consumption: 8-14(M3/min)

Structure of the hammer

1. Top sub

2. O-Ring

3. Cap

4. Check valve

5. Spring

6. O-Ring

7.  Rigid valves

8. Piston

9. Bit Retainer Ring

10. O-Ring

11. O-Ring   

12. Guide Sleeve

13. Driver sub

14. Outer Sleeve  

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