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Hexagon Bolts (UNC and UNF threads)

AS /NZS 2465 - 1999 (R2016)

Display drawing:

Screw Thread 5/16
Thread Size 5/16
D 0.313
PP UNC 18
PP UNF 24
Ds Max 0.3125
Ds Min 0.3065
S Nominal 1/2
S Max 0.500
S Min 0.489
E Max 0.577
E Min 0.557
K Nominal 13/64
K Max 0.211
K Min 0.195
B L≤6 0.875
B L>6 1.125
X 0.278