S-92356A628 3/8"-16 x 1 1/2" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high-stress conditions.
• Effective anti-rotation locking provided by the square neck design, preventing the bolt from turning during assembly and ensuring secure fastening.
• Wide bearing surface from the rounded carriage head style distributes load effectively, minimizing surface damage and pull-through.
• Easy and quick installation with coarse UNC threading and right-hand direction, suitable for a wide range of materials and assembly processes.
• Precise thread fit with Class 2A tolerance ensures consistent engagement and reliable performance in demanding applications.
• Compliance with major standards including ASME B18.5, RoHS 3, and REACH, guaranteeing quality and environmental safety for industrial use.

Professional Applications & Engineering Value

This 3/8"-16 UNC carriage bolt is engineered to solve critical fastening challenges in industrial applications where vibration resistance and long-term reliability are paramount. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for construction, agricultural machinery, and marine equipment. The square neck design securely locks into materials, preventing rotation during tightening and eliminating the need for additional locking mechanisms. With a fully threaded body and coarse thread spacing, it ensures rapid installation and strong holding power in wood, metal, and composite assemblies. Its high tensile strength and Rockwell B55 hardness offer durability against dynamic loads, reducing maintenance needs and downtime in heavy-duty environments.

Specification Summary & Compliance

This carriage bolt features a 3/8"-16 UNC thread with Class 2A fit for precise dimensional accuracy and reliable performance. It is manufactured in compliance with ASME B18.5 standards, ensuring consistent quality and interchangeability. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial fasteners.