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Heavy Hex Bolts [Table 3] (ASTM A307 / A394)

ASME B 18.2.1 - 2012

Display drawing:

Screw Thread 2-1/2
Nominal Diameter 2-1/2
P 4
Ds Max 2.559
Ds Min 2.461
S Max 3.875
S Min 3.75
E Max 4.474
E Min 4.275
K Max 1.708
K Min 1.479
R Max 0.19
R Min 0.06
B L≤6 5.25
B L>6 5.5