| Customized: | Customized |
|---|---|
| Standard: | API |
| Material: | Tungsten Carbide |
| Usage: | Well Drilling |
| Metric Diameter: | 311.15mm |
| Bearing Type: | Rubber Sealed Journal Bearing |
| Samples: |
|---|
Suppliers with verified business licenses
Audited Supplier - Bearing polishing process after finish turning, improve bearing performance
- Dynamic lubrication system
- Professional & stable heat treatment, High quality control
- Welding process, more wear-resistant
-Produce strictly in accordance with API standards
- Special materials of Tricone bits
-Fast delivery & Best factory price
Suppliers with verified business licenses
Audited Supplier 
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