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A325 Structural Bolts Hot Dip Galvanized - Domestic USA

A325 Structural Bolts Hot Dip Galvanized - Domestic USA


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A325 Structural Bolts Hot Dip Galvanized - Domestic USA

Heavy Hex A325 structural bolts are designed for steel to steel structural connections. For this reason, they are typically very short. The A325 and A490 specifications are not intended for general applications, including anchor bolts.

 
 A325 Hex Bolts HDG - Domestic USA
Nominal
Size
or Basic
Product
Diameter
Body
Diameter
Width Across
Flats
Width Across
Corners
Head
Height
Thread
Length
Max. Min. Basic Max. Min. Max. Min. Basic Max. Min. Ref.
1/2 0.5000 0.515 0.482 7/8 0.875 0.850 1.010 0.969 5/16 0.323 0.302 1.00
5/8 0.6250 0.642 0.605 1- 1/16 1.062 1.031 1.227 1.175 25/64 0.403 0.378 1.25
3/4 0.7500 0.768 0.729 1- 1/4 1.250 1.212 1.443 1.383 15/32 0.483 0.455 1.38
7/8 0.8750 0.895 0.852 1- 7/16 1.438 1.394 1.660 1.589 35/64 0.563 0.531 1.50
1 1.0000 1.022 0.976 1- 5/8 1.625 1.575 1.876 1.796 39/64 0.627 0.591 1.75
1 1/8 1.1250 1.149 1.098 1- 13/16 1.812 1.756 2.093 2.002 11/16 0.718 0.658 2.00
1 1/4 1.2500 1.277 1.223 2 2.000 1.938 2.309 2.209 25/32 0.813 0.749 2.00
1 3/8 1.3750 1.404 1.345 2- 3/16 2.188 2.119 2.526 2.416 27/32 0.878 0.810 2.25
1 1/2 1.5000 1.531 1.470 2- 3/8 2.375 2.300 2.742 2.622 15/16 0.974 0.902 2.25