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Hex Bolts [Table 2] (ASTM A307 / A354 / A394)

Product Specification
Screw Thread 3-1/4
Thread Size 3-1/4
D 3.25
PP UNC 4
PP UNF None
PP UN 8
Ds Max 3.335
Ds Min 3.21
S Max 4.875
S Min 4.712
E Max 5.629
E Min 5.372
K Max 2.251
K Min 1.936
R Max 0.190
R Min 0.060
B L≤6 6.7500
B L>6 7.0000