S-97000A524 3/8"-16 x 2" ASME B18.5, SAE J429 Carriage Bolts

Key Features & Benefits at a Glance

• Maximum Load-Bearing Capacity - Grade 8 classification and 150,000 psi tensile strength ensure reliable performance in high-stress industrial applications
• Superior Anti-Rotation Security - Square neck design prevents bolt spinning during installation and maintains permanent positioning
• Enhanced Corrosion Protection - Zinc yellow-chromate plating provides exceptional resistance against rust and environmental degradation
• Optimized Thread Engagement - UNC coarse thread spacing with Class 2A fit enables faster installation and superior vibration resistance
• Industry-Standard Compliance - Meets ASME B18.5 and SAE J429 specifications for guaranteed quality and interchangeability
• Durable Material Construction - Rockwell C33 hardness ensures long-term durability and resistance to wear and deformation
• Versatile Installation Compatibility - Fully threaded design allows for flexible positioning and secure fastening across various material thicknesses

Professional Applications & Engineering Value

This Grade 8 carriage bolt delivers exceptional engineering value through its robust steel construction and specialized design features. The square neck carriage bolt configuration solves critical anti-rotation challenges in structural applications, preventing costly maintenance and safety hazards. The zinc yellow-chromate plating provides superior corrosion resistance for outdoor equipment, agricultural machinery, and industrial frameworks exposed to harsh environments. With UNC coarse threading and Class 2A thread fit, these bolts ensure rapid installation in wood, metal, and composite materials while maintaining vibration resistance. The 150,000 psi tensile strength makes them ideal for heavy-duty fastening in construction, transportation, and manufacturing sectors where failure is not an option.

Specification Summary & Compliance

This heavy-duty carriage bolt features precise 3/8"-16 UNC coarse thread spacing with Class 2A thread fit for optimal tolerance control. The manufacturing process adheres to ASME B18.5 and SAE J429 specifications, ensuring dimensional accuracy and mechanical properties. The zinc yellow-chromate plating finish meets industry standards for corrosion protection while maintaining environmental compliance. With Rockwell C33 hardness and verified 150,000 psi tensile strength, this fastener delivers consistent performance across demanding industrial applications while maintaining full traceability to established engineering standards.