ASME B 18.2.2 - 2022
Display drawing:
| Screw Thread | 1/2 | ||
| D | 0.5 | ||
| PP | UNC | 13 | |
| PP | UNF | 20 | |
| PP | 8UN | None | |
| S | Nominal | 3/4 | |
| S | Min | 0.736 | |
| S | Max | 0.750 | |
| E | Min | 0.840 | |
| E | Max | 0.866 | |
| M | Nominal | 7/16 | |
| M | Min | 0.427 | |
| M | Max | 0.448 | |
| W | Min | 0.27 | |
| W | Max | 0.29 | |
| N | Min | 0.15 | |
| N | Max | 0.18 | |