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Hexagon Bolts (UNC and UNF threads)

AS /NZS 2465 - 1999 (R2016)

Display drawing:

Screw Thread 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 1 1-1/8 1-1/4 1-3/8 1-1/2 7/8
Thread Size 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 1 1-1/8 1-1/4 1-3/8 1-1/2 7/8
D 0.25 0.313 0.375 0.438 0.5 0.563 0.625 0.75 1 1.125 1.25 1.375 1.5 0.875
PP UNC 20 18 16 14 13 12 11 10 8 7 7 6 6 9
PP UNF 28 24 24 20 20 18 18 16 12 12 12 12 12 14
Ds Max 0.2500 0.3125 0.3750 0.4375 0.5000 0.5625 0.6250 0.7500 1.0000 1.1250 1.2500 1.3750 1.5000 0.8750
Ds Min 0.2450 0.3065 0.3690 0.4305 0.4930 0.5545 0.6170 0.7410 0.9900 1.1140 1.2390 1.3630 1.4880 0.8660
S Nominal 7/16 1/2 9/16 5/8 3/4 13/16 15/16 1-1/8 1-1/2 1-11/16 1-7/8 2-1/16 2-1/4 1-5/16
S Max 0.438 0.500 0.562 0.625 0.750 0.812 0.938 1.125 1.500 1.688 1.875 2.062 2.250 1.312
S Min 0.428 0.489 0.551 0.612 0.736 0.798 0.922 1.100 1.469 1.631 1.812 1.994 2.175 1.285
E Max 0.505 0.577 0.650 0.722 0.866 0.938 1.083 1.299 1.732 1.949 2.165 2.382 2.598 1.516
E Min 0.488 0.557 0.628 0.698 0.840 0.910 1.051 1.254 1.675 1.859 2.066 2.273 2.480 1.465
K Nominal 5/32 13/64 15/64 9/32 5/16 23/64 25/64 15/32 39/64 11/16 25/32 27/32 1-5/16 35/64
K Max 0.163 0.211 0.243 0.291 0.323 0.371 0.403 0.483 0.627 0.718 0.813 0.878 0.974 0.563
K Min 0.150 0.195 0.226 0.272 0.302 0.348 0.378 0.455 0.591 0.658 0.749 0.810 0.902 0.531
B L≤6 0.750 0.875 1.000 1.125 1.250 1.375 1.500 1.750 2.250 2.500 2.750 3.000 3.250 2.000
B L＞6 1.000 1.125 1.250 1.375 1.500 1.625 1.750 2.000 2.500 2.750 3.000 3.250 3.500 2.250
X 0.250 0.278 0.312 0.357 0.385 0.417 0.455 0.500 0.625 0.714 0.714 0.833 0.833 0.556