S-93604A780 5/8"-11 x 14" ASTM A307, ASTM A153, ASME B18.5 Carriage Bolts
Carriage Bolts
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Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with hot-dipped galvanized steel coating for extended service life in harsh environments
- Enhanced anti-rotation performance through square neck design that prevents spinning during installation
- High tensile strength rating of 60,000 PSI (Grade 2) for reliable load-bearing capacity in structural applications
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster assembly and secure fastening
- Versatile partial threading design allowing for both clamping and adjustment capabilities in various applications
- Wide rounded head profile providing larger bearing surface for improved load distribution
- Industry-standard compliance meeting ASTM A307, ASTM A153, and ASME B18.5 specifications for quality assurance
Professional Applications & Engineering Value
These hot-dipped galvanized steel carriage bolts deliver exceptional engineering value through their specialized square neck design that effectively prevents rotation during torque application, eliminating the need for additional locking mechanisms. The Grade 2 strength classification with 60,000 PSI tensile strength and Rockwell B70 hardness ensures reliable performance in structural connections, wood-to-metal fastening, and heavy timber construction. The partial threading configuration allows for both secure clamping and adjustment flexibility, while the UNC coarse threads provide superior performance in softer materials and faster installation. The hot-dipped galvanized coating offers robust protection against corrosion in outdoor applications, construction projects, and industrial settings where environmental exposure is a concern.
Specification Summary & Compliance
This 5/8"-11 x 14" carriage bolt features precise Class 2A thread fit with UNC coarse threading and right-hand thread direction. Manufactured to exacting standards including ASTM A307 for chemical and mechanical properties, ASTM A153 for zinc coating requirements, and ASME B18.5 for dimensional specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.
