T2-56 Impregnated Diamond Core Bit
| Size | T2-56 | Design | Metric |
| Outer diameter MAX (mm) | 56.13 | Outer diameter MAX (in) | 2.210 |
| Outer diameter MIN (mm) | 55.88 | Outer diameter MIN (in) | 2.200 |
| Inner diameter MAX (mm) | 41.83 | Inner diameter MAX (in) | 1.647 |
| Inner diameter MIN (mm) | 41.58 | Inner diameter MIN (in) | 1.637 |
| Hole diameter (mm) | 56.5 | Hole diameter (in) | 2.22 |
| Core diameter (mm) | 45.2 | Core diameter (in) | 1.78 |
| Hole area (cm2) | 24.9 | Hole area (in2) | 3.86 |
| Core area (cm2) | 16.0 | Core area (in2) | 2.48 |
