Hexagon Bolts (UNC and UNF threads)
AS /NZS 2465 - 1999 (R2016)
Display drawing:
| Screw Thread | 1/4 | ||
| Thread Size | 1/4 | ||
| D | 0.25 | ||
| PP | UNC | 20 | |
| PP | UNF | 28 | |
| Ds | Max | 0.2500 | |
| Ds | Min | 0.2450 | |
| S | Nominal | 7/16 | |
| S | Max | 0.438 | |
| S | Min | 0.428 | |
| E | Max | 0.505 | |
| E | Min | 0.488 | |
| K | Nominal | 5/32 | |
| K | Max | 0.163 | |
| K | Min | 0.150 | |
| B | L≤6 | 0.750 | |
| B | L＞6 | 1.000 | |
| X | 0.250 | ||