| Nominal Diameter | 12.5 | 14.5 | 18.5 | |
|---|---|---|---|---|
| d | max | 13 | 15 | 19 |
| min=nominal size | 12.5 | 14.5 | 18.5 | |
| dc | ≈ | 23 | 26 | 29 |
| d1 | ≈ | 14.5 | 17 | 20 |
| h | max | 6 | 7 | 8 |
| min=nominal size | 5 | 6 | 7 | |
| SR | Nominal Size | 12 | 14 | 16 |
| max. | 12.5 | 14.5 | 16.5 | |
| min. | 11.5 | 13.5 | 15.5 | |
| per 1000 units ≈ kg | 7.5 | 10.5 | 14 | |
| Nominal Diameter | 20.5 | 22.5 | |
|---|---|---|---|
| d | max | 21 | 23 |
| min=nominal size | 20.5 | 22.5 | |
| dc | ≈ | 34 | 34 |
| d1 | ≈ | 24 | 24 |
| h | max | 9 | 9 |
| min=nominal size | 8 | 8 | |
| SR | Nominal Size | 18 | 18 |
| max. | 18.5 | 18.5 | |
| min. | 17.5 | 17.5 | |
| per 1000 units ≈ kg | 23 | 21 | |
All information is strictly informative