| KR STANDARD (mm) | DIN STANDARD (mm) | ||||
| SIZE | Outside Diameter | Thickness | SIZE | Outside Diameter | Thickness |
| 15A | 15.14 | 1.65 | 15A | 20.00 | 1.0 |
| 20A | 21.49 | 1.65 | 20A | 25.00 | 1.5 |
| 25A | 28.30 | 1.65 | 25A | 30.00 | 1.5 |
| 32A | 34.60 | 1.65 | 32A | 38.00 | 1.5 |
| 40A | 41.00 | 1.80 | 40A | 44.50 | 1.5 |
| 50A | 54.10 | 2.11 | 50A | 57.00 | 1.5 |
| 65A | 66.75 | 2.41 | 65A | 76.10 | 2.0 |
| 80A | 79.86 | 2.41 | 80A | 88.90 | 2.0 |
| 100A | 106.30 | 2.77 | 100A | 108.00 | 2.5 |
