Hunan Tianying Drilling Machine Manufacturing Co., Ltd.
Hunan Tianying Drilling Machine Manufacturing Co., Ltd. Tricone Drill Bit
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Diamond Oil Drilling Tools PDC Rock Drilling Bit For Hard Formation
Cutting Structure of this series PDC bit :
1. PDC cutter size 13mm*16mm and 13mm*10mm
2. PDC bit blades number is six
3. The crown part of PDC bit is a long parabolic crown
4. PDC cutter is double row in each blade
5. Each blade has teeth to protect the diameter of the PDC bit
6. The surface of each blade is designed with tungsten carbide welding to enhance the wear resistance of
the blade and improve the service life the PDC bit.
How to choose the right PDC drill bit?
What is the diameter of hole do you want to drill ? Then we can know which item drill bit is suitable you .
What is the layer do you want to drill ? Then we can know which PDC tip is right for you .
| PDC bit size | API REG | Button moment | |
| inch | mm | inch | KN.m |
| 4-1/2 | 114.3 | 2-3/8 | 4.1 — 4.7 |
| 5-1/2 | 139.7 | 3-1/2 | 9.5 — 12.2 |
| 5-3/4 | 146.1 | 3-1/2 | 9.5 — 12.2 |
| 6 | 152.4 | 3-1/2 | 9.5 — 12.2 |
| 6-1/2 | 165.1 | 3-1/2 | 9.5 — 12.2 |
| 6-3/4 | 171.5 | 3-1/2 | 9.5 — 12.2 |
| 7-1/2 | 190.5 | 4-1/2 | 16.3 — 21.7 |
| 7-5/8 | 193.7 | 4-1/2 | 16.3 — 21.7 |
| 7-7/8 | 200 | 4-1/2 | 16.3 — 21.7 |
| 8-1/2 | 215.9 | 4-1/2 | 16.3 — 21.7 |
| 9-1/2 | 241.3 | 6-5/8 | 38 — 43.4 |
| 9-5/8 | 244.5 | 6-5/8 | 38 — 43.4 |
| 9-7/8 | 250.8 | 6-5/8 | 38 — 43.4 |
| 10-1/2 | 266.7 | 6-5/8 | 38 — 43.4 |
Our Company
Hunan Tianying Drilling Machine Manufacturing Co., Ltd, a high-technology engineering group with world-leading positions, which manufacturers and supply various Rock Drill bits for Blasting drilling & mining. Our believe that innovative think drives the delivery of quality tools to customers, our expertise is evident in tricone bits. Tianying rock drilling bits are renowned for their great reliability, excellent and even quality and long services life with an expertise direct to any corner of the world.
Don’t see the bit you are looking for? Give us a call, we can customize any bit to fit your unique circumstances.