Hexagon Screws (UNC and UNF threads)
AS /NZS 2465 - 1999 (R2016)
Display drawing:
| Screw Thread | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | 1/4 | 5/8 | ||
| Thread Size | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | 1/4 | 5/8 | ||
| D | 0.313 | 0.375 | 0.438 | 0.5 | 0.563 | 0.75 | 0.875 | 1 | 1.125 | 1.25 | 1.375 | 1.5 | 0.25 | 0.625 | ||
| PP | UNC | 18 | 16 | 14 | 13 | 12 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 20 | 11 | |
| PP | UNF | 24 | 24 | 20 | 20 | 18 | 16 | 14 | 12 | 12 | 12 | 12 | 12 | 28 | 18 | |
| S | Nominal | 1/2 | 9/16 | 5/8 | 3/4 | 13/16 | 1-1/8 | 1-5/16 | 1-1/2 | 1-11/16 | 1-7/8 | 2-1/16 | 2-1/4 | 7/16 | 15/16 | |
| S | Max | 0.500 | 0.562 | 0.625 | 0.750 | 0.812 | 1.125 | 1.312 | 1.500 | 1.688 | 1.875 | 2.062 | 2.250 | 0.438 | 0.938 | |
| S | Min | 0.489 | 0.551 | 0.612 | 0.736 | 0.798 | 1.100 | 1.285 | 1.469 | 1.631 | 1.812 | 1.994 | 2.175 | 0.428 | 0.922 | |
| K | Nominal | 13/64 | 15/64 | 9/32 | 5/16 | 23/64 | 15/32 | 35/64 | 39/64 | 11/16 | 25/32 | 27/32 | 1-5/16 | 5/32 | 25/64 | |
| K | Max | 0.211 | 0.243 | 0.291 | 0.323 | 0.371 | 0.483 | 0.563 | 0.627 | 0.718 | 0.813 | 0.878 | 0.974 | 0.163 | 0.403 | |
| K | Min | 0.195 | 0.226 | 0.272 | 0.302 | 0.348 | 0.455 | 0.531 | 0.591 | 0.658 | 0.749 | 0.810 | 0.902 | 0.150 | 0.378 | |
| E | Max | 0.577 | 0.650 | 0.722 | 0.866 | 0.938 | 1.299 | 1.516 | 1.732 | 1.949 | 2.165 | 2.382 | 2.598 | 0.505 | 1.083 | |
| E | Min | 0.557 | 0.628 | 0.698 | 0.840 | 0.910 | 1.254 | 1.465 | 1.675 | 1.859 | 2.066 | 2.273 | 2.480 | 0.488 | 1.051 | |