S-93604A713 1/2"-13 x 2" 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 protection with hot-dipped galvanized steel coating, extending service life in harsh environments
- Exceptional load-bearing capacity with 60,000 PSI tensile strength, ideal for heavy-duty structural applications
- Anti-rotation square neck design prevents bolt spinning during installation, ensuring secure fastening
- Full UNC coarse threading provides faster installation and superior grip in wood and metal assemblies
- Class 2A thread fit ensures consistent engagement and reliable performance in industrial settings
- Grade 2 mechanical properties with Rockwell B70 hardness offer optimal balance of strength and ductility
- Regulatory compliance meets ASTM A307, ASTM A153, and ASME B18.5 standards for quality assurance
Professional Applications & Engineering Value
These hot-dipped galvanized steel carriage bolts deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The square neck carriage bolt design eliminates rotation during nut tightening, making them ideal for wood-to-metal connections in construction frameworks, trailer assemblies, and agricultural equipment. The 1/2"-13 UNC coarse threading provides excellent pull-out resistance in soft materials while the Grade 2 classification ensures reliable performance without brittleness. The hot-dipped galvanized coating creates a sacrificial layer that protects against rust in outdoor applications, significantly reducing maintenance costs and extending service life in bridges, fencing systems, and industrial structures exposed to weather elements.
Specification Summary & Compliance
This 2" long carriage bolt features precise Class 2A thread fit with 1/2"-13 UNC coarse threading and right-hand thread direction. Manufactured to ASTM A307 specifications for low carbon steel bolts with ASTM A153 hot-dip galvanizing requirements and ASME B18.5 dimensional standards. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.
