S-90185A433 7/16"-14 x 2 1/2" ASME B18.5, SAE J429 Carriage Bolts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 120,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance thanks to zinc-plated steel construction, extending service life in harsh environments
• Non-rotating installation ensured by the square neck design, preventing loosening under vibration and stress
• Precision thread engagement with Class 3A fit and UNC coarse threading for faster assembly and reduced cross-threading risk
• Enhanced durability from Rockwell C25 hardness, maintaining structural integrity under repeated loads
• Wide head profile provides increased bearing surface for better load distribution and secure fastening
• Full regulatory compliance meeting ASME B18.5, SAE J429, RoHS 3, and REACH standards for quality assurance

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 5 carriage bolts deliver exceptional performance in construction, machinery, and structural assemblies. The zinc-plated steel construction provides critical corrosion resistance for outdoor and high-moisture environments, while the square neck design prevents rotation during installation and under dynamic loads. With UNC coarse threading and Class 3A thread fit, these fasteners enable quick, secure installation in wood, metal, and composite materials. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures reliable performance in applications requiring vibration resistance and long-term structural integrity, making them ideal for trailer manufacturing, agricultural equipment, and industrial framework assembly.

Specification Summary & Compliance

This 7/16"-14 carriage bolt features precision UNC coarse threading with Class 3A thread fit for superior engagement and dimensional accuracy. Manufactured to exacting ASME B18.5 and SAE J429 Grade 5 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe use across various industrial sectors. With a 2 1/2" length and fully threaded design, it provides versatile fastening solutions while maintaining strict adherence to international engineering standards.