T6S-131 Impregnated Diamond Core Bit
| Size | T6S-131 | Design | Metric |
| Outer diameter MAX (mm) | 131.48 | Outer diameter MAX (in) | 5.177 |
| Outer diameter MIN (mm) | 131.10 | Outer diameter MIN (in) | 5.162 |
| Inner diameter MAX (mm) | 100.83 | Inner diameter MAX (in) | 3.970 |
| Inner diameter MIN (mm) | 100.58 | Inner diameter MIN (in) | 3.960 |
| Hole diameter (mm) | 131.5 | Hole diameter (in) | 5.17 |
| Core diameter (mm) | 100.7 | Core diameter (in) | 3.96 |
| Hole area (cm2) | 135.4 | Hole area (in2) | 20.99 |
| Core area (cm2) | 79.6 | Core area (in2) | 12.34 |
