Bolts With Britishstandard Whitworth Threads (Rationalized Series)
AS /NZS 2451 - 1998
Display drawing:
| Screw Thread | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | 1-5/8 | 1-3/4 | 2 | 1/4 | ||
| Thread Size | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | 1-5/8 | 1-3/4 | 2 | 1/4 | ||
| D | 0.313 | 0.375 | 0.438 | 0.5 | 0.625 | 0.75 | 0.875 | 1 | 1.125 | 1.25 | 1.375 | 1.5 | 1.625 | 1.75 | 2 | 0.25 | ||
| B | 0.876 | 1 | 1.126 | 1.25 | 1.5 | 1.75 | 2 | 2.25 | 2.5 | 2.75 | 3 | 3.25 | 3.5 | 3.75 | 4.25 | 0.75 | ||
| PP | 18 | 16 | 14 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4.5 | 20 | ||
| Ds | Max | 0.342 | 0.405 | 0.468 | 0.53 | 0.665 | 0.79 | 0.915 | 1.04 | 1.175 | 1.3 | 1.425 | 1.55 | 1.685 | 1.81 | 2.06 | 0.28 | |
| K | Max | 0.228 | 0.27 | 0.312 | 0.363 | 0.447 | 0.53 | 0.623 | 0.706 | 0.79 | 0.89 | 0.98 | 1.06 | 1.18 | 1.27 | 1.43 | 0.186 | |
| K | Min | 0.208 | 0.25 | 0.292 | 0.333 | 0.417 | 0.5 | 0.583 | 0.666 | 0.75 | 0.83 | 0.92 | 1 | 1.08 | 1.17 | 1.33 | 0.166 | |
| S | Max | 0.525 | 0.6 | 0.71 | 0.82 | 1.01 | 1.2 | 1.3 | 1.48 | 1.67 | 1.86 | 2.05 | 2.22 | 2.41 | 2.58 | 2.76 | 0.445 | |
| S | Min | 0.515 | 0.585 | 0.695 | 0.8 | 0.985 | 1.175 | 1.27 | 1.45 | 1.64 | 1.815 | 2.005 | 2.175 | 2.365 | 2.52 | 2.7 | 0.435 | |
| E | Min | 0.61 | 0.69 | 0.82 | 0.95 | 1.12 | 1.34 | 1.45 | 1.65 | 1.87 | 2.07 | 2.29 | 2.48 | 2.7 | 2.87 | 3.08 | 0.51 | |
| R | Min | 1/32 | 1/32 | 1/32 | 1/32 | 3/64 | 3/64 | 1/16 | 1/16 | 1/8 | 1/8 | 1/8 | 1/8 | 1/8 | 1/8 | 1/8 | 1/32 | |