S-90185A229 5/16"-18 x 6" ASME B18.5, SAE J429 Carriage Bolts
Carriage Bolts
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Exceptional strength-to-weight ratio with Grade 5 classification and 120,000 psi tensile strength for reliable heavy-duty applications
- Effective anti-rotation performance through integrated square neck design that prevents spinning during installation
- Optimized thread engagement with Class 3A UNC coarse threads ensuring precise fit and vibration resistance
- Enhanced durability with Rockwell C25 hardness providing excellent wear resistance and structural integrity
- Versatile installation compatibility with fully threaded right-hand design accommodating various material thicknesses
- Regulatory compliance assurance meeting industry standards for quality and environmental safety
Professional Applications & Engineering Value
These Grade 5 zinc-plated steel carriage bolts deliver critical engineering solutions where vibration resistance and structural integrity are paramount. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures reliable performance in construction, heavy equipment, and industrial machinery applications. The square neck carriage bolt design provides superior anti-rotation characteristics, eliminating the need for additional locking mechanisms while the UNC coarse threading facilitates quicker installation in wood, metal, and composite materials. The zinc-plated steel construction offers essential corrosion protection for both indoor and outdoor applications, making these fully threaded fasteners ideal for structural connections, trailer assemblies, and agricultural equipment where long-term reliability is essential.
Specification Summary & Compliance
This 5/16"-18 x 6" carriage bolt features precision Class 3A thread fit with UNC coarse thread specifications and fully threaded right-hand design. Manufacturing complies with ASME B18.5 and SAE J429 Grade 5 standards, ensuring dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and restricted substances.
