S-93604A717 1/2"-13 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
- Superior corrosion resistance with hot-dipped galvanized steel coating for extended service life in harsh environments
- Enhanced anti-rotation performance thanks to the integrated square neck that prevents spinning during installation
- Reliable load-bearing capacity with Grade 2 classification and 60,000 psi tensile strength for demanding applications
- Optimized thread engagement through UNC coarse threading with Class 2A fit for faster assembly and secure fastening
- Excellent impact resistance provided by Rockwell B70 hardness for durability under mechanical stress
- Full-threaded design ensures maximum grip length and versatile positioning in various material thicknesses
- Comprehensive regulatory compliance meeting ASTM A307, ASTM A153, ASME B18.5 standards and environmental regulations
Professional Applications & Engineering Value
These hot-dipped galvanized steel carriage bolts deliver exceptional engineering value in structural and heavy-duty applications where corrosion resistance and vibration resistance are critical. The square neck design effectively prevents rotation during tightening, solving common installation challenges in wood-to-metal and structural steel connections. With fully threaded UNC coarse threads and Class 2A fit, these fasteners provide reliable performance in construction, agricultural equipment, trailer manufacturing, and industrial machinery. The heavy-duty carriage bolt configuration combined with Grade 2 strength rating ensures structural integrity in demanding environments while the hot-dipped galvanized coating offers superior protection against rust and environmental degradation.
Specification Summary & Compliance
This 1/2"-13 x 3" carriage bolt features precise UNC coarse threading with Class 2A fit tolerance for consistent performance. Manufactured to ASTM A307 and ASTM A153 specifications for chemical composition and coating requirements, with dimensional compliance to ASME B18.5 standards. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use across industrial sectors with 60,000 psi tensile strength and Rockwell B70 hardness for reliable mechanical performance.
