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Hexagon Bolts (UNC and UNF threads)

Product Specification
Screw Thread 1-3/8
Thread Size 1-3/8
D 1.375
PP UNC 6
PP UNF 12
Ds Max 1.3750
Ds Min 1.3630
S Nominal 2-1/16
S Max 2.062
S Min 1.994
E Max 2.382
E Min 2.273
K Nominal 27/32
K Max 0.878
K Min 0.810
B L≤6 3.000
B L>6 3.250
X 0.833