Wholesale TCI sealed tricone roller drill bits with API and ISO certificate in stock from China factory. According to the cutting material, tricone bit have the type of TCI (Tungsten Carbide Insert) and Steel Tooth . IADC517 is TCI tricone bit. The medium formation TCI tricone bits features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability.
| Basical Specification | |
| Size of Rock Bit | 9 1/2inches |
| 241.30 mm | |
| Bit Type | TCI Tricone Bit |
| Thread Connection | 6 5/8 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 |
| Total Teeth Count | 116 |
| Gage Row Teeth Count | 47 |
| Number of Gage Rows | 3 |
| Number of Inner Rows | 8 |
| Jounal Angle | 33° |
| Offset | 6.5 |
| Operating Parameters | |
| WOB (Weight On Bit) | 18,879-56,849 lbs |
| 84-253KN | |
| RPM(r/min) | 300~60 |
| Recommended upper torque | 37.93-49.3KN.M |
| Formation | Soft formation of low crushing resistance and high drillability. |
