Hex Bolts [Table 2] (ASTM A307 / A354 / A394)
ASME B 18.2.1 - 2012
Display drawing:
| Screw Thread | 1/2 | ||
| Thread Size | 1/2 | ||
| D | 0.5 | ||
| PP | UNC | 13 | |
| PP | UNF | 20 | |
| PP | UN | None | |
| Ds | Max | 0.515 | |
| Ds | Min | 0.482 | |
| S | Max | 0.75 | |
| S | Min | 0.725 | |
| E | Max | 0.866 | |
| E | Min | 0.826 | |
| K | Max | 0.364 | |
| K | Min | 0.302 | |
| R | Max | 0.030 | |
| R | Min | 0.010 | |
| B | L≤6 | 1.2500 | |
| B | L＞6 | 1.5000 | |