PROJECT DESCRIPTION

Bit breaker for tricone bits rock drill bit breaker. Used to screw on or off a rock bit. Easy operating,safety and reliable. Tricone bit breaker. Bit breaker or tricone bit breaker. Are designed to screw on or off a rock bit to the bottom of drill string. It can not only prevent the drill bit from turning while the bit sub is tightened or loosened, but also prevent the rock bit from dropping into well hole. The users should choosen the bit breaker according to the size and model of the drilling bit, or the tricone bit may be ruined. Our bit breaker is easy, safe and reliable to operate, available sizes are as follows:. Serial no. Bit size. Bit model. 1. 4 1/8" - 4 3/4". Tricone bits. 2. 5 5/8" - 5 7/8 ". 3. 6" - 6 1/4 ". 4. 6 1/2 - 6 3/4 ". 5. 7 3/8" - 7 1/2 ". 6. 8 3/8" - 8 5/8". 7. 8 3/4" - 9". 8. 9 1/2". 9. 9 5/8" - 9 7/8". 10. 10 5/8" - 11". 11. 11 3/4" - 12 1/4". 12. 13 3/4". 13. 14 3/4"- 15". 14. 16". 15. 17 1/2". 16. 18 1/2". 17. 20". 18. 22". 19. 23". 20. 24". 21. 26". 22. 28".