| Screw Thread | 2 | ||
| D | 2.0000 | ||
| P | 4.5 | ||
| B | Min | L≤10 | 4.250 |
| B | Min | 10＜L≤16 | 4.500 |
| B | Min | L＞16 | 5.000 |
| U | Max | UNC | 0.444 |
| U | Max | UNF | None |
| U | Max | BUN | 0.250 |
| Ds | Max | 2.0000 | |
| Ds | Min | UNC | 1.975 |
| Ds | Min | UNF | None |
| Ds | Min | BUN | 1.983 |
| Ds1 | Max | UNC | 1.975 |
| Ds1 | Max | UNF | None |
| Ds1 | Max | BUN | 1.983 |
| Ds1 | Min | UNC | 1.843 |
| Ds1 | Min | UNF | None |
| Ds1 | Min | BUN | 1.909 |