Cangzhou Great PDC Bits Co., ltd specializes in designing, manufacturing, marketing and serving the high performance diamond bits and drilling tools used in petroleum industry. The company is established by the top experts of the field, and equipped with advanced equipments and facilities.
Our diamond bits named Great, which ranging from 3"to 17-1/2", All the products have been awarded the ISO9001 certificate.
Product Description
1. Cutting Structure
In response to the characteristics that inserts in different areas on the cone have different cutting actions, conical inserts are placed in permanent contact area and wedge inserts are placed in alternative contact area so that the drilling efficiency is greatly improved. Wear resistance of cutting structure is enhanced by setting diamond inserts in the permanent contact area of the cone where inserts are severely worn. Tungsten carbide inserts are placed on cone top face to protect cone body from abrasive erosion.
In response to the characteristics that inserts in different areas on the cone have different cutting actions, conical inserts are placed in permanent contact area and wedge inserts are placed in alternative contact area so that the drilling efficiency is greatly improved. Wear resistance of cutting structure is enhanced by setting diamond inserts in the permanent contact area of the cone where inserts are severely worn. Tungsten carbide inserts are placed on cone top face to protect cone body from abrasive erosion.
2. Product Application
It is suitable for sidetracking, deep well drilling and old well repairing.
| Size | Bit Type | |
| In. | mm | |
| 4 1/8 | 104.8 | 517, 527, 537, 617 |
| 4 1/2 | 114.3 | 517, 527, 537, 617 |
| 4 5/8 | 117.5 | 517, 527, 537, 617 |
| 4 3/4 | 120.6 | 517, 527, 537, 617 |
| 5 7/8 | 149.2 | 517, 527, 537, 617 |
| 6 | 152.4 | 517 |
4 5/8 " API Certification&ISO9001 TCI Single Cone Rock Bit
