Hex Bolts [Table 2] (ASTM A307 / A354 / A394)
ASME B 18.2.1 - 2012
Display drawing:
| Screw Thread | 2-1/2 | ||
| Thread Size | 2-1/2 | ||
| D | 2.5 | ||
| PP | UNC | 4 | |
| PP | UNF | None | |
| PP | UN | 8 | |
| Ds | Max | 2.559 | |
| Ds | Min | 2.461 | |
| S | Max | 3.75 | |
| S | Min | 3.625 | |
| E | Max | 4.330 | |
| E | Min | 4.133 | |
| K | Max | 1.708 | |
| K | Min | 1.479 | |
| R | Max | 0.190 | |
| R | Min | 0.060 | |
| B | L≤6 | 5.2500 | |
| B | L＞6 | 5.5000 | |