S-93180A851 3/4"-10 x 8" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments including marine and chemical applications
• Enhanced anti-rotation security through the integrated square neck design that prevents spinning during installation and use
• Reliable heavy-duty performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
• Optimized thread engagement with Class 2A UNC coarse threads ensuring secure fastening and easier installation in various materials
• Versatile partial threading allowing for both clamping force and smooth shank penetration through multiple material layers
• Wide rounded carriage head providing superior bearing surface and reduced risk of pull-through in wood and soft materials
• Full regulatory compliance meeting ASME B18.5 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

This heavy-duty carriage bolt delivers exceptional engineering value through its 316 Stainless Steel composition, offering superior corrosion resistance that outperforms standard stainless grades in chloride-rich environments. The combination of square neck design and partially threaded configuration solves critical industrial challenges by preventing rotation during torque application while allowing the smooth shank to bear loads without thread damage. The UNC coarse threading ensures rapid installation and reliable performance in wood, structural steel, and heavy equipment applications. With its 8" length and wide rounded head, this bolt provides secure fastening in timber construction, marine hardware, and industrial machinery where vibration resistance and long-term durability are paramount.

Specification Summary & Compliance

This carriage bolt maintains precise Class 2A thread fit according to UNC standards with 3/4"-10 coarse threading and right-hand direction. Manufacturing complies with ASME B18.5 specifications for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while delivering consistent mechanical properties including 70,000 psi tensile strength and Rockwell B55 hardness for reliable industrial performance.