S-93548A842 5/8"-11 x 10" ASTM A307, SAE J429, 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 zinc-plated steel construction, extending service life in demanding environments
- Exceptional tensile strength rated at 60,000 PSI (Grade 2) for reliable performance in heavy-duty applications
- Anti-rotation security through integrated square neck design, preventing bolt spinning during installation
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster assembly and vibration resistance
- Enhanced durability with Rockwell B70 hardness, maintaining structural integrity under repeated stress
- Versatile partial threading allowing both secure clamping and unthreaded shank functionality
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
Engineered for structural connections where vibration resistance and anti-loosening performance are critical, these zinc-plated steel carriage bolts deliver exceptional value in construction, agricultural equipment, and trailer manufacturing. The square neck mechanically locks into mating materials, eliminating the need for secondary retention methods during assembly. With UNC coarse threading and Grade 2 strength classification, these fasteners maintain clamp force in wood-to-metal and heavy timber applications where dynamic loads are present. The partial threading design provides both maximum grip length and unthreaded bearing surface, preventing thread damage in through-hole applications while maintaining the 60,000 PSI tensile strength required for structural integrity.
Specification Summary & Compliance
Manufactured to Class 2A thread fit tolerances with 5/8"-11 UNC coarse threads and right-hand threading orientation. Complies with ASTM A307, SAE J429, and ASME B18.5 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for restricted substance control. Features include 1.344" head diameter, 0.344" head height, and 1-3/4" minimum thread length on a 10" overall carriage bolt configuration.
