USING CONDITIONS 1.Mining 2.Water well 3.Oil field & Gas 4.Construction drilling application TDS Rotary Tricone Bits have optimally designed bearing structures and carbide inserts to withstand extreme challenge of today’s mining applications. Always be ready for improvement on products and providing high performance/cost products. Choosing the right designs with the balance between high ROP (Rate of Penetration) and good drilling service life which ensure the good TDC(Total Drilling Cost) for the customers. 
Avalibale IADC | Series | Application | Operating Parameters | |
| Rotating Speed(RPM) | Weight on Bit-WOB(lb/in) | ||
| 30 | Very Soft | 70-140 | 1000-4000 |
| 40 | Soft | 70-140 | 1000-4000 |
| 50 | Soft to Medium | 50-140 | 2000-5000 |
| 60 | Medium to Hard | 50-110 | 3000-6000 |
| 70 | Hard | 50-90 | 3500-7500 |
| 80 | Extremely Hard | 40-80 | 5000-8000 |
| Bit Size | ||
| in | mm | Pin Size |
| 6 3/4 | 171 | 3 1/2 |
| 7 7/8 | 200 | 4 1/2 |
| 8 1/2 | 216 | |
| 9 | 229 | |
| 9 7/8 | 251 | 6 5/8 |
| 10 5/8 | 270 | |
| 11 | 279 | |
| 12 1/4 | 311 | |
| 13 3/4 | 350 | |