S-92356A172 3/8"-16 x 11" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and outdoor applications
• Exceptional strength and durability with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty industrial use
• Reliable anti-rotation performance thanks to the square neck design that prevents spinning during installation
• Easy installation and secure fastening with partially threaded UNC coarse threads and Class 2A thread fit
• Wide bearing surface from the rounded carriage head design that distributes load effectively and minimizes surface damage
• Regulatory compliance assurance meeting ASME B18.5 standards and environmental regulations including RoHS 3 and REACH
• Versatile 11-inch length suitable for thick material applications requiring extended grip range

Professional Applications & Engineering Value

This 3/8"-16 UNC carriage bolt delivers exceptional engineering value for industrial applications where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction provides excellent resistance to rust and chemical exposure, making it ideal for outdoor structures, marine environments, and food processing facilities. The square neck design effectively prevents rotation during tightening, eliminating the need for additional locking mechanisms and reducing installation time. With its partially threaded configuration and coarse thread spacing, this bolt offers superior grip in wood, metal, and composite materials, while the rounded head profile minimizes surface marring. These features combine to create a reliable fastening solution that withstands heavy loads and harsh conditions while maintaining long-term performance integrity.

Specification Summary & Compliance

This heavy-duty carriage bolt features precise Class 2A thread fit with 3/8"-16 UNC coarse threading and right-hand thread direction. The bolt maintains dimensional accuracy per ASME B18.5 standards with a screw diameter of 0.375" and minimum thread length of 1". Compliance is verified with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The square neck measures 0.22" in length and 0.39" in width, providing secure anti-rotation performance in standard applications.