ASME B 18.2.2 - 2022
Display drawing:
| Screw Thread | 1-1/4 | ||
| D | 1.25 | ||
| PP | UNC | 7 | |
| PP | UNF | 12 | |
| PP | 8UN | 8 | |
| S | Nominal | 1-7/8 | |
| S | Min | 1.812 | |
| S | Max | 1.875 | |
| E | Min | 2.066 | |
| E | Max | 2.165 | |
| M | Nominal | 1-1/16 | |
| M | Min | 1.030 | |
| M | Max | 1.094 | |
| W | Min | 0.67 | |
| W | Max | 0.70 | |
| N | Min | 0.31 | |
| N | Max | 0.40 | |