Opis
| symbol | gwint 1 | gwint 2 | oznaczenie wg Rastelli-Raccordi |
| XGR 9/16” – 7/16” | 9/16″ | 7/16″ | BA.18.06.04 |
| XGR 3/4” – 9/16” | 3/4″ | 9/16″ | BA.18.08.06 |
| XGR 7/8” – 3/4” | 7/8″ | 3/4″ | BA.18.10.08 |
| XGR 1 1/16” – 3/4” | 1 1/16″ | 3/4″ | BA.18.12.08 |
| XGR 1 1/16” – 7/8” | 1 1/16″ | 7/8″ | BA.18.12.10 |
| XGR 1 5/16” – 1 1/16” | 1 5/16″ | 1 1/16″ | BA.18.16.12 |
