S-97000A531 1/2"-13 x 3 1/2" ASME B18.5, SAE J429 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
- Maximum load-bearing capacity with 150,000 psi tensile strength and Grade 8 classification for demanding industrial environments
- Superior corrosion protection through zinc yellow-chromate plating that extends service life in harsh conditions
- Secure anti-rotation locking with integrated square neck design that prevents spinning during installation
- Optimized thread engagement with UNC coarse threading and Class 2A fit for reliable fastening in various materials
- Enhanced durability from Rockwell C33 hardness that maintains structural integrity under heavy loads
- Full-threaded versatility allowing installation flexibility across the entire bolt length
- Industry-standard compliance meeting ASME B18.5 and SAE J429 specifications for guaranteed performance
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 8 carriage bolts deliver exceptional performance in construction, machinery assembly, and structural frameworks. The zinc yellow-chromate plated finish provides superior corrosion resistance, making them ideal for outdoor equipment and harsh environments where moisture and chemicals are present. The square neck design eliminates the need for additional locking mechanisms by securely embedding into materials during installation, preventing rotation and ensuring stable connections. With UNC coarse threading and Class 2A thread fit, these fully threaded carriage bolts offer excellent grip in wood, metal, and composite materials, reducing installation time while maintaining 150,000 psi tensile strength for critical load-bearing applications.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC coarse thread specifications. These carriage bolts comply with ASME B18.5 and SAE J429 manufacturing standards, ensuring consistent quality and performance. The zinc yellow-chromate plating meets industry corrosion protection requirements while maintaining the Grade 8 mechanical properties throughout the fastener's service life.
