S-90185A242 7/16"-14 x 1 3/4" ASME B18.5, SAE J429 Carriage Bolts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Grade 5 classification and 120,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc-plated steel construction, extending service life in harsh industrial environments
• Secure anti-rotation locking provided by the square neck design that prevents spinning during installation and operation
• Optimized thread engagement with Class 3A UNC coarse threads ensuring precise fit and vibration resistance
• Enhanced durability from Rockwell C25 hardness rating, maintaining structural integrity under repeated stress
• Simplified compliance with ASME B18.5 standards and SAE J429 specifications for guaranteed quality and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance, meeting international regulatory requirements

Professional Applications & Engineering Value

These Grade 5 zinc-plated steel carriage bolts deliver critical performance where vibration resistance and structural integrity are paramount. The square neck design eliminates the need for additional locking mechanisms by embedding securely into materials, preventing rotation during torque application and long-term use. With fully threaded UNC coarse spacing and Class 3A thread fit, these fasteners provide superior grip in wood, metal, and composite assemblies commonly found in construction equipment, agricultural machinery, and transportation infrastructure. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures reliable performance in high-stress applications where fastener failure is not an option, while the zinc plating offers essential corrosion protection for extended service life in challenging environments.

Specification Summary & Compliance

This 7/16"-14 carriage bolt features precise Class 3A thread fit with UNC coarse thread spacing and right-hand threading. Manufacturing complies with ASME B18.5 standards and SAE J429 specifications for dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and safety standards are maintained for industrial applications worldwide.