S-90185A245 7/16"-14 x 3 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 and Grade 5 classification for reliable performance in heavy-duty applications
• Superior corrosion resistance provided by zinc-plated steel construction, extending service life in demanding environments
• Positive anti-rotation performance through integrated square neck design that prevents spinning during installation and use
• Precision thread engagement with Class 3A thread fit ensuring consistent, secure fastening in critical assemblies
• Optimized for high-vibration applications featuring coarse 7/16"-14 UNC threading that maintains integrity under dynamic loads
• Enhanced durability with Rockwell C25 hardness providing excellent resistance to wear and deformation
• Full-threaded design allowing maximum adjustability and grip length for versatile installation requirements

Professional Applications & Engineering Value

This Grade 5 carriage bolt delivers exceptional engineering value through its robust zinc-plated steel construction and specialized design features. The square neck carriage bolt configuration solves critical anti-rotation challenges in structural applications where fastener security is paramount. The fully threaded 7/16"-14 UNC coarse thread profile provides superior holding power in wood-to-metal and structural steel connections, while the Class 3A thread fit ensures precise engagement that withstands vibration and dynamic loading. Ideal for construction, heavy equipment, and industrial machinery applications, this carriage bolt maintains integrity under the most demanding conditions, preventing costly failures and reducing maintenance requirements through its 120,000 PSI tensile strength and corrosion-resistant plating.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit precision and UNC coarse threading (7/16"-14). Complies with ASME B18.5 and SAE J429 specifications for dimensional accuracy and performance requirements. Meets environmental compliance standards including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. Features consistent dimensional parameters: 3-1/2" length, 0.4375" screw diameter, and square neck configuration (0.25" length, 0.45" width) for reliable anti-rotation performance.