| Screw Thread | 5/8 | ||
| D | 0.6250 | ||
| P | 11 | ||
| B | Min | L≤10 | 1.500 |
| B | Min | 10＜L≤16 | 1.750 |
| B | Min | L＞16 | 2.250 |
| U | Max | UNC | 0.182 |
| U | Max | UNF | 0.111 |
| U | Max | BUN | None |
| Ds | Max | 0.6250 | |
| Ds | Min | UNC | 0.611 |
| Ds | Min | UNF | 0.615 |
| Ds | Min | BUN | None |
| Ds1 | Max | UNC | 0.611 |
| Ds1 | Max | UNF | 0.615 |
| Ds1 | Max | BUN | None |
| Ds1 | Min | UNC | 0.559 |
| Ds1 | Min | UNF | 0.583 |
| Ds1 | Min | BUN | None |