| IT Grade | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Lapping | x | x | x | x | - | - | - | - | - | - | - | - | - | - | - |
| Honing | - | x | x | x | - | - | - | - | - | - | - | - | - | - | - |
| Superfinishing | - | - | x | x | x | - | - | - | - | - | - | - | - | - | - |
| Cylinderical grinding | - | - | x | x | x | x | - | - | - | - | - | - | - | - | - |
| Diamond turning | - | - | x | x | x | x | - | - | - | - | - | - | - | - | - |
| Plan grinding | - | - | - | x | x | x | x | x | - | - | - | - | - | - | - |
| Broaching | - | - | - | x | x | x | x | x | - | - | - | - | - | - | - |
| Reaming | - | - | - | x | x | x | x | x | - | - | - | - | - | - | - |
| Boring, Turning | - | - | - | - | x | x | x | x | x | x | x | - | - | - | - |
| Sawing | - | - | - | - | - | - | - | x | x | x | - | - | - | - | - |
| Milling | - | - | - | - | - | - | - | x | x | x | x | x | - | - | - |
| Planing, Shaping | - | - | - | - | - | - | - | - | x | x | x | x | x | - | - |
| Extruding | - | - | - | - | - | - | - | - | x | x | x | x | - | - | - |
| Cold Rolling, Drawing | - | - | - | - | - | - | - | - | x | x | x | x | x | - | - |
| Drilling | - | - | - | - | - | - | - | - | - | x | x | x | x | - | - |
| Die Casting | - | - | - | - | - | - | - | - | - | - | x | x | x | x | - |
| Forging | - | - | - | - | - | - | - | - | - | - | - | x | x | x | x |
| Sand Casting | - | - | - | - | - | - | - | - | - | - | - | - | x | x | x |
| Hot rolling, Flame cutting | - | - | - | - | - | - | - | - | - | - | - | - | x | x | x |