Materiał: stop
| Średnica | |||||||||
| USA | Wielka Brytania | Ru | Fr | Ca | Br | De | obwód (mm) | mm | cal |
| 5 | J1/2 | 15.7 | 49,3 | 5 | 15.7 | 15.7 | 49,3 | 15.7 | 0,62 |
| 6 | L1/2 | 16.5 | 51,9 | 6 | 16.5 | 16.5 | 51,9 | 16.5 | 0,65 |
| 7 | N1/2 (o) | 17.3 | 54,4 | 7 | 17.3 | 17.3 | 54,4 | 17.3 | 0,68 |
| 8 | P1/2 (Q) | 18.1 | 57 | 8 | 18.1 | 18.1 | 57 | 18.1 | 0,71 |
| 9 | R1/2 (s) | 18.9 | 59,5 | 9 | 18.9 | 18.9 | 59,5 | 18.9 | 0,74 |
| 10 | T1/2 | 19.8 | 62.1 | 10 | 19.8 | 19.8 | 62.1 | 19.8 | 0,78 |
| 11 | V1/2 | 20.6 | 64,6 | 11 | 20.6 | 20.6 | 64,6 | 20.6 | 0,81 |
| 12 | X1/2 | 21.4 | 67.2 | 12 | 21.4 | 21.4 | 67.2 | 21.4 | 0,84 |
