S-93180A477 3/8"-16 x 5" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments and outdoor applications
• Superior anti-rotation performance thanks to the integrated square neck that prevents spinning during installation
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity for demanding industrial applications
• Rockwell B55 hardness provides excellent durability and resistance to deformation under stress
• Coarse UNC threading with Class 2A fit allows for faster assembly and easier engagement in various materials
• Full threading along the 5" length offers maximum flexibility in adjustment and clamping applications
• Compliance with ASME B18.5 standards guarantees precise dimensional accuracy and interchangeability

Professional Applications & Engineering Value

These 316 stainless steel carriage bolts deliver exceptional engineering value in demanding applications where corrosion resistance and mechanical integrity are paramount. The fully threaded UNC coarse spacing design ensures rapid installation in wood, metal, and composite materials, while the square neck provides positive anti-rotation security that eliminates the need for additional locking mechanisms. With their rounded head profile and 5" length, these carriage bolts are ideally suited for structural connections in marine environments, chemical processing equipment, food processing machinery, and outdoor infrastructure where exposure to moisture, chemicals, and temperature variations would compromise ordinary fasteners. The combination of 70,000 psi tensile strength and Rockwell B55 hardness ensures long-term reliability in heavy-duty fastening applications.

Specification Summary & Compliance

This 3/8"-16 UNC carriage bolt features precise Class 2A thread fit tolerances and complies with ASME B18.5 dimensional specifications. The manufacturing process adheres to strict quality standards, and the product is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental responsibility and regulatory compliance for global industrial applications.