S-93604A753 5/8"-11 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 for extended service life in harsh environments
- Exceptional load-bearing capacity with Grade 2 classification and 60,000 psi tensile strength for heavy-duty applications
- Secure anti-rotation locking through square neck design that prevents spinning during installation and operation
- Optimized thread engagement with coarse UNC 5/8"-11 threads and Class 2A fit for faster assembly and reliable performance
- Enhanced structural integrity with Rockwell B70 hardness providing excellent resistance to deformation under stress
- Wide bearing surface from rounded carriage head design that distributes load evenly and minimizes surface damage
- Full regulatory compliance meeting ASTM A307, ASTM A153, and ASME B18.5 standards for quality assurance
Professional Applications & Engineering Value
This hot-dipped galvanized steel carriage bolt delivers exceptional engineering value for construction, infrastructure, and heavy equipment applications. The Grade 2 strength rating combined with 60,000 psi tensile strength ensures reliable performance in structural connections subject to significant loads and vibrations. The square neck design provides critical anti-rotation functionality, eliminating the need for additional locking mechanisms while maintaining joint integrity. The coarse UNC threading facilitates quick installation in wood, metal, and composite materials, reducing assembly time in industrial settings. The hot-dipped galvanized coating offers superior corrosion resistance, making these carriage bolts ideal for outdoor structures, agricultural equipment, and marine environments where moisture and chemical exposure are concerns.
Specification Summary & Compliance
This heavy-duty carriage bolt features precise Class 2A thread fit with 5/8"-11 UNC coarse threading and right-hand thread direction. Manufacturing complies with ASTM A307 for carbon steel bolts, ASTM A153 for zinc coating specifications, and ASME B18.5 for dimensional standards. The product is RoHS 3 (2015/863/EU) compliant, ensuring environmental responsibility while delivering reliable mechanical performance with Rockwell B70 hardness and 60,000 psi tensile strength.
