| Screw Thread | 9/16 | ||
| D | 0.5625 | ||
| P | 12 | ||
| B | Min | L≤10 | 1.375 |
| B | Min | 10＜L≤16 | 1.625 |
| B | Min | L＞16 | 2.125 |
| U | Max | UNC | 0.167 |
| U | Max | UNF | 0.111 |
| U | Max | BUN | None |
| Ds | Max | 0.5625 | |
| Ds | Min | UNC | 0.550 |
| Ds | Min | UNF | 0.552 |
| Ds | Min | BUN | None |
| Ds1 | Max | UNC | 0.550 |
| Ds1 | Max | UNF | 0.552 |
| Ds1 | Max | BUN | None |
| Ds1 | Min | UNC | 0.502 |
| Ds1 | Min | UNF | 0.521 |
| Ds1 | Min | BUN | None |