| Connection Type | API Regular |
|---|---|
| Blade Quantity | 5 Blades |
| Size Available | 140mm, All Kinds |
| Connection Thread | 3 1/2 |
| Advantage | High Performance |
| Name | 12 1/4" 311mm Well Drilling Tools Tricone Rock Bit For Drilling Hard Rocks |
|---|---|
| Keyword | 12 1/4" 311mm Tricone Rock Bit |
| IADC | IADC517/537/637 Etc. |
| Projects | Well Drilling |
| Colors | Black, Blue, Yellow, Etc. |
| Formation | Medium Hard Stratum |
|---|---|
| Heat Resistance | High Heat Resistance |
| Boday Material | Steel Body And Matrix Type |
| Customized | Customized |
| Connect Thread | 3 1/2 |