Tolerance classes and deviations for untoleranced dimensions (selection from ISO 2768)
| Tolerance class | Nominal sizes (untoleranced dimensions) [mm] | |||||
|---|---|---|---|---|---|---|
| Name | Symbol | (3, 6] | (6, 30] | (30, 120] | (120, 400] | (400, 1000] |
| Limit deviations [mm] | ||||||
| Fine | f | ±0.05 | ±0.1 | ±0.15 | ±0.2 | ±0.5 |
| Medium | m | ±0.1 | ±0.2 | ±0.3 | ±0.5 | ±0.8 |
| Coarse | c | ±0.3 | ±0.6 | ±0.8 | ±1.2 | ±2 |
| Very coarse | v | ±0.5 | ±1 | ±1.5 | ±2.5 | ±4 |