S-93604A653 5/16"-18 x 3" 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
- Exceptional corrosion resistance through hot-dipped galvanized steel coating for long-term outdoor and industrial use
- Superior anti-rotation performance with integrated square neck design that prevents spinning during installation
- High tensile strength rating of 60,000 PSI (Grade 2) ensures reliable performance under heavy loads
- Optimized thread engagement with Class 2A thread fit and coarse UNC threading for faster installation
- Enhanced durability with Rockwell B70 hardness rating for resistance to deformation
- Full threading versatility allowing installation through varying material thicknesses
- Regulatory compliance assurance meeting major industrial standards and environmental regulations
Professional Applications & Engineering Value
These hot-dipped galvanized steel carriage bolts deliver critical engineering solutions for demanding applications where corrosion resistance and vibration resistance are paramount. The square neck design effectively prevents rotation during tightening, making them ideal for wood-to-metal connections in structural frameworks, trailer assemblies, and agricultural equipment. The fully threaded 5/16"-18 UNC configuration with coarse threading ensures rapid installation across various material thicknesses, while the Grade 2 strength rating provides reliable performance in construction, fencing, and heavy machinery applications where exposure to harsh environmental conditions would compromise ordinary fasteners.
Specification Summary & Compliance
This 3" carriage bolt features precise Class 2A thread fit with 5/16"-18 UNC coarse threading and right-hand thread direction. Manufactured to ASTM A307 and ASTM A153 specifications with dimensional compliance to ASME B18.5 standards. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for regulated industrial applications worldwide.
