Opis
| symbol | gwint | oznaczenie wg Rastelli-Raccordi |
| VSTI 1/8” | 1/8” | TN185GG-1/8R |
| VSTI 1/4” | 1/4” | TN185GG-1/4R |
| VSTI 3/8” | 3/8” | TN185GG-3/8R |
| VSTI 1/2” | 1/2” | TN185GG-1/2R |
| VSTI 3/4” | 3/4” | TN185GG-3/4R |
| VSTI 1” | 1” | TN185GG-1”R |
| VSTI 1 1/4” | 1 1/4” | TN185GG-1”1/4R |
| VSTI 1 1/2” | 1 1/2” | TN185GG-1”1/2R |
