Dimensional tolerances according to ISO 3302-1
In the appendix, a table showing the relevant tolerance ranges
| Nominal dimension | Tolerance class | |||
| From | down | E1 | E2 | E3 |
| 0 | 1.5 | +/- 0.15 | +/- 0.25 | +/- 0.40 |
| 1.5 | 2.5 | +/- 0.20 | +/- 0.35 | +/- 0.50 |
| 2.5 | 4.0 | +/- 0.25 | +/- 0.40 | +/- 0.70 |
| 4.0 | 6.3 | +/- 0.35 | +/- 0.50 | +/- 0.80 |
| 6.3 | 10 | +/- 0.40 | +/- 0.70 | +/- 1.00 |
| 10 | 16 | +/- 0.50 | +/- 0.80 | +/- 1.30 |
| 16 | 25 | +/- 0.70 | +/- 1.00 | +/- 1.60 |
| 25 | 40 | +/- 0.80 | +/- 1.30 | +/- 2.00 |
| 40 | 63 | +/- 1.00 | +/- 1.60 | +/- 2.50 |
| 63 | 100 | +/- 1.30 | +/- 2.00 | +/- 3.20 |
Tolerances are used for individual rubber products:
- rubber o-rings that you can buy here: https://powerrubber.com/kat/oringi-gumowe/
- Rubber cords which you can buy here: https://powerrubber.com/kat/sznur-gumowy/
- rubber seals, the production of which is dedicated here: https://powerrubber.com/skonto-sie/
