| Packaging Details: | wooden box; steel box; or as your requirements |
|---|---|
| Delivery Detail: | within 7 days after conform orde |

1. High-strength, high flexibility, high temperature, high wear resistance.
2. High-precision metal seal.
3. Locking roller ball, to adapt to high-speed.
4. The use of high strength high toughness carbide teeth.
5. Hours in the rotary cone bit with the impact, crushing and shearing the role of broken rock.
6. Cone bit to adapt to the soft, medium and hard of various strata.
7. Reasonable price and long working life.
Specification:
| Size | 8 1/2 (215.9mm) |
| IADC | 137 |
| Bearing Type | elastomer sealed slide bearing |
| WOB (kN/ mm) | 0.35~1.05 |
| RPM (r/ min) | 120~60 |
| Applicable Formations | Soft to median soft formatons with low compressive strength, such as anhydrite, cotton rock, sandstone, etc. |
Packing:


Payment:
T/ T&L/ C
Available products:

If you have any further questions, please feel free to contact us. I am always glad to be service to you.