S-97000A528 1/2"-13 x 2" ASME B18.5, SAE J429 Carriage Bolts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 PSI tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
• Secure anti-rotation locking through square neck design that prevents spinning during installation and use
• Optimized thread engagement with UNC coarse threading and Class 2A fit for faster assembly and vibration resistance
• Enhanced durability from Rockwell C33 hardness, maintaining structural integrity under repeated stress
• Industry-standard compliance meeting ASME B18.5 and SAE J429 specifications for quality assurance
• Versatile rounded head profile with wide bearing surface for even load distribution and aesthetic appeal

Professional Applications & Engineering Value

This Grade 8 carriage bolt delivers critical engineering solutions for industrial applications where vibration resistance and structural integrity are paramount. The zinc yellow-chromate plating provides superior corrosion protection in outdoor equipment, agricultural machinery, and construction applications, while the square neck design eliminates rotational movement in wood-to-metal and structural steel connections. The UNC coarse thread configuration ensures rapid installation in heavy equipment assembly, trailer manufacturing, and infrastructure projects where 150,000 PSI tensile strength prevents joint failure under extreme loads. Engineered to withstand harsh operating conditions, these high-strength fasteners maintain clamping force in vibrating environments, reducing maintenance frequency and downtime in industrial operations.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Features 1/2"-13 UNC coarse threads with right-hand orientation and full threading along the 2" length. Complies with ASME B18.5 and SAE J429 specifications for Grade 8 fasteners, ensuring material composition and mechanical properties meet industrial requirements. The zinc yellow-chromate finish provides RoHS and REACH compliant corrosion protection while maintaining the bolt's structural integrity and appearance in demanding applications.