<iframe src="//www.googletagmanager.com/ns.html?id=GTM-58JRBT" height="0" width="0" style="display:none;visibility:hidden">

    Heavy Hex Head Bolts available in Carbon Steel (ASTM A307 Grade B) and Structural Steels (ASTM A325 & A490) manufactured to formerly ASME B18.2.1 now ASME B18.2.6 dimensions.


    ASTM A307 Grade B Heavy Hex Bolt, National Coarse

    ASTM A307 Grade B Heavy Hex Head Bolt, National Coarse Thread, Plain Finish for use in flange bolting and anchoring industrial and commercial applications.

    Request Quote

    A325 Heavy Hex Bolts

    ASTM A325 Heavy Hex Bolts (Import & USA Domestic)

    More Info

    A490 Heavy Hex Bolts

    ASTM A490 Heavy Hex Bolts (Import & USA Domestic)

    More Info

    Can't find what you're looking for? Visit our Custom Products

    Additional Resources

    Product Catalog Download Catalog Material Selection Guide Download Guide Plant Maintenance Turnaround Hardware Checklist Download Checklist