S-92356A818 5/8"-11 x 6" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Enhanced anti-rotation security thanks to the square neck design that prevents spinning during installation
• Reliable mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
• Optimized thread engagement through UNC coarse threading and Class 2A fit ensuring secure fastening
• Versatile partial threading allowing both threaded and unthreaded sections for flexible connection requirements
• Industry-standard compliance meeting ASME B18.5 specifications for guaranteed dimensional accuracy
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable industrial use

Professional Applications & Engineering Value

This 5/8"-11 UNC carriage bolt delivers exceptional engineering value through its 18-8 stainless steel composition and specialized square neck design. The combination of Rockwell B55 hardness and 70,000 psi tensile strength addresses critical industrial challenges where fastener failure is not an option. The partially threaded configuration with UNC coarse threads provides optimal load distribution while the square neck eliminates rotation issues during torque application. These features make it ideal for demanding applications in construction, heavy machinery, transportation equipment, and structural assemblies where vibration resistance and long-term reliability are paramount. The rounded head profile offers both aesthetic appeal and safety in finished applications.

Specification Summary & Compliance

This carriage bolt maintains precise Class 2A thread fit tolerance per UNC standards with 5/8"-11 coarse threading and 1" minimum thread length. Manufacturing complies with ASME B18.5 specifications ensuring dimensional accuracy and performance reliability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for industrial fasteners. The right-hand thread direction and partial threading provide standardized installation compatibility across various industrial applications.