S-90185A191 7/16"-14 x 1 1/2" ASME B18.5, SAE J429 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-flake coating that provides excellent protection against rust and environmental degradation in harsh industrial settings
• Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications and prevents fastener failure
• Effective anti-rotation design with integrated square neck that locks securely into materials to prevent spinning during installation
• Optimized thread engagement with fully threaded UNC coarse spacing for faster installation and superior holding power in various materials
• Precision manufacturing with Class 2A thread fit ensures consistent quality and reliable performance across all applications
• Enhanced durability with Rockwell C25 hardness providing excellent wear resistance and long service life
• Industry compliance meets ASME B18.5 and SAE J429 standards for guaranteed dimensional accuracy and performance reliability

Professional Applications & Engineering Value

These Grade 5 carriage bolts deliver exceptional engineering value through their zinc-flake coated steel construction, providing superior corrosion protection that addresses the critical challenge of fastener degradation in outdoor and industrial environments. The square neck design effectively prevents rotation during torque application, solving common installation problems in wood, metal, and composite materials. With fully threaded UNC coarse spacing, these bolts offer rapid installation and maximum thread engagement, making them ideal for structural applications, heavy equipment, trailer assemblies, and construction projects where vibration resistance and long-term reliability are paramount. The combination of 120,000 psi tensile strength and precise Class 2A thread fit ensures consistent performance in demanding applications while reducing installation time and maintenance requirements.

Specification Summary & Compliance

This carriage bolt features precise Class 2A thread fit with 7/16"-14 UNC coarse thread specifications and complies with ASME B18.5 and SAE J429 manufacturing standards. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility and workplace safety. Dimensional accuracy is maintained with a 0.45" square neck width and 1-1/2" length for consistent performance across industrial applications.