ISO tolerance classes
| Nominal
dimension |
h7 Deviations |
h9 Deviations |
h10 Deviations |
h12 Deviations |
F6 Deviations |
||||||
| > | ≤ | U | L | U | L | U | L | U | L | U | L |
| mm | μm | μm | μm | μm | μm | ||||||
| 3 | 6 | 0 | –12 | – | – | – | – | – | – | – | – |
| 6 | 10 | 0 | –15 | 0 | –36 | – | – | – | – | +22 | +13 |
| 10 | 18 | 0 | –18 | 0 | –43 | – | – | 0 | –180 | +27 | +16 |
| 18 | 30 | 0 | –21 | 0 | –52 | – | – | 0 | –210 | +33 | +20 |
| 30 | 50 | – | – | 0 | –62 | – | – | 0 | –250 | +41 | +25 |
| 50 | 80 | – | – | – | – | – | – | – | – | +49 | +30 |
| 120 | 180 | – | – | – | – | 0 | –160 | – | – | – | – |
| 180 | 250 | – | – | – | – | 0 | –185 | – | – | – | – |
| 250 | 315 | – | – | – | – | 0 | –210 | – | – | – | – |
