Wholesale TCI (Tungsten Carbide Insert ) rotary button sealed tricone drill bits with API and ISO certificate in stock from China factory. 5 1/4"(133mm) API TCI Tricone Bits for Hard Rock Drilling.The thread connection is 3 1/2 API REG PIN. 
| Basical Specification | |
| Size of Rock Bit | 5 1/4 inches |
| 133 mm | |
| Bit Type | TCI Tricone Bit |
| Thread Connection | 3 1/2 API REG PIN |
| IADC Code | IADC 517G |
| Bearing Type | Journal Sealed Bearing with Gauge Protection |
| Bearing Seal | Elastomer or Rubber/ Metal |
| Heel Protection | Available |
| Shirttail Protection | Available |
| Circulation Type | Mud Circulation |
| Drilling Condition | Rotary drilling, high temp drilling, deep drilling, motor drilling |
| Operating Parameters | |
| WOB (Weight On Bit) | 10,560-28,312 lbs |
| 47-126KN | |
| RPM(r/min) | 140~60 |
| Formation | Soft to medium formation with low compressive strength, such as mudstone, gypsum, salt, soft limestone, etc. |
