S-92356A626 3/8"-16 x 1 1/4" 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 tensile strength rated at 70,000 psi, ensuring reliable performance under heavy loads and stress.
• Secure anti-rotation design featuring a square neck that locks into materials during installation, preventing spinning.
• Optimized for quick assembly with coarse UNC threading and full thread length, enabling faster driving and reduced installation time.
• Consistent dimensional accuracy with Class 2A thread fit, providing reliable interchangeability and smooth mating with nuts.
• Wide rounded head profile distributes clamping force evenly, minimizing surface damage and improving load distribution.
• Compliance with major industry standards including ASME B18.5, RoHS 3, and REACH, ensuring safety and regulatory adherence.

Professional Applications & Engineering Value

This 3/8"-16 UNC carriage bolt is engineered to address common challenges in structural and heavy-duty applications where vibration resistance and longevity are critical. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it suitable for outdoor construction, agricultural equipment, marine fixtures, and infrastructure projects exposed to moisture. The square neck design securely locks the bolt in place during tightening, eliminating rotation and reducing the risk of loosening under dynamic loads. Combined with coarse threading and full threading, it ensures rapid installation and strong holding power in wood, metal, and composite materials. This bolt is a reliable choice for engineers and contractors seeking durable, industrial-grade fasteners that maintain integrity in demanding environments.

Specification Summary & Compliance

This carriage bolt adheres to precise dimensional standards with a Class 2A thread fit and UNC coarse thread specification, ensuring consistent performance and compatibility. It meets ASME B18.5 manufacturing standards for carriage bolts, guaranteeing uniformity and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial and commercial uses.