Standard Thread Length – IFI-111 (in.)
| Flange Bolt Diameter (in.) | Flange Bolts 6″ and shorter | Flange Bolts longer than 6″ |
| 1/4″ | 3/4″ | 1″ |
| 5/16″ | 7/8″ | 1-1/8″ |
| 3/8″ | 1″ | 1-1/4″ |
| 7/16″ | 1-1/8″ | 1-3/8″ |
| 1/2″ | 1-1/4″ | 1-1/2″ |
| 9/16″ | 1-3/8″ | 1-5/8″ |
| 5/8″ | 1-1/2″ | 1-3/4″ |
| 3/4″ | 1-3/4″ | 2″ |