S-93180A637 1/2"-13 x 3 1/2" ASME B18.5 Carriage Bolts
Carriage Bolts
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Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with marine-grade 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced anti-rotation performance due to the square neck design that prevents spinning during installation and under vibration
- Optimized load distribution from the wide rounded head, reducing surface pressure and material damage
- Reliable fastening strength with 70,000 psi tensile strength and Rockwell B55 hardness for demanding structural applications
- Easy installation and removal with fully threaded UNC coarse threading and Class 2A fit for quick assembly and secure grip
- Long-term durability in industrial and marine settings, backed by compliance with ASME B18.5 standards and environmental regulations
- Versatile right-hand threading ensures compatibility with standard tools and common assembly processes
Professional Applications & Engineering Value
This 316 stainless steel carriage bolt is engineered to address critical challenges in high-corrosion and heavy-load environments. The marine-grade material provides exceptional resistance to saltwater, chemicals, and extreme weather, making it ideal for marine construction, offshore platforms, and chemical processing plants. The square neck and rounded head work in tandem to prevent rotation during torque application, ensuring stable fastening in wood, metal, or composite assemblies. With UNC coarse threading and Class 2A fit, it offers rapid installation and reliable performance in structural frameworks, transportation equipment, and industrial machinery, reducing maintenance costs and downtime.
Specification Summary & Compliance
This bolt adheres to ASME B18.5 dimensional standards, with precise Class 2A thread fit and UNC coarse thread specifications for consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. The manufacturing process meets rigorous quality controls for thread size 1/2"-13, length 3 1/2", and mechanical properties including 70,000 psi tensile strength and Rockwell B55 hardness.
