S-92356A630 3/8"-16 x 1 3/4" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior anti-rotation security with a square neck design that locks into materials to prevent spinning during tightening and under vibration.
• Excellent corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in humid or corrosive environments.
• High mechanical strength with a tensile strength of 70,000 psi and Rockwell B55 hardness for dependable performance in heavy-duty applications.
• Easy and quick installation thanks to the coarse 3/8"-16 UNC threading and Class 2A thread fit, which facilitates faster assembly with standard tools.
• Secure and flush mounting enabled by the wide, rounded carriage head design, which sits neatly against surfaces while providing a larger bearing area.
• Full-thread engagement along the 1-3/4" length for maximum grip and load distribution in various material thicknesses.
• Compliance with industry standards including ASME B18.5, RoHS 3, and REACH, ensuring safety, quality, and environmental responsibility.

Professional Applications & Engineering Value

This heavy-duty carriage bolt is engineered to solve common industrial challenges such as joint loosening and material degradation. The 18-8 Stainless Steel construction offers robust resistance to rust and corrosion, making it ideal for outdoor structures, marine equipment, and food processing machinery where moisture and chemicals are present. The square neck securely embeds into the mounting surface, providing reliable anti-rotation that prevents the bolt from turning during assembly or under dynamic loads. Combined with coarse UNC threading and a fully threaded design, it ensures quick installation and strong holding power in wood, metal, and composite materials. This bolt is a trusted choice for construction, transportation, and agricultural applications, delivering long-lasting performance and reducing maintenance needs.

Specification Summary & Compliance

This carriage bolt features precise Class 2A thread fit and adheres to UNC coarse thread standards with a size of 3/8"-16. It is manufactured in compliance with ASME B18.5 specifications for dimensional accuracy and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and commercial uses.