S-90185A186 3/8"-16 x 3" ASME B18.5, SAE J429 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
- Exceptional tensile strength of 120,000 psi ensures reliable performance in demanding industrial applications
- Superior anti-rotation security with integrated square neck design prevents bolt turning during installation and use
- Enhanced corrosion resistance through zinc-flake coating provides long-term durability in harsh environments
- Precise Class 2A thread fit with UNC coarse threading enables quick installation and secure fastening
- High-strength Grade 5 classification with Rockwell C25 hardness guarantees consistent performance under heavy loads
- Wide rounded head profile offers excellent bearing surface and professional appearance
- Full regulatory compliance with ASME B18.5, SAE J429, RoHS 3, and REACH standards ensures quality and safety
Professional Applications & Engineering Value
This Grade 5 carriage bolt delivers exceptional engineering value through its zinc-flake coated steel construction and square neck design, specifically engineered to solve common industrial fastening challenges. The integrated square neck prevents rotation during torque application, eliminating the need for secondary locking mechanisms and reducing installation time. The 3/8"-16 UNC coarse threading provides superior grip in wood, metal, and composite materials, while the 120,000 psi tensile strength ensures structural integrity in heavy-duty applications. Ideal for construction, machinery assembly, and structural framing, this carriage bolt maintains its Rockwell C25 hardness under stress, preventing deformation and ensuring long-term reliability in demanding environments.
Specification Summary & Compliance
This high-performance fastener features precise Class 2A thread fit with 3/8"-16 UNC coarse threading and right-hand thread direction. Manufactured to exacting ASME B18.5 and SAE J429 specifications, it ensures dimensional accuracy and mechanical consistency. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe use across various industrial sectors while meeting international quality standards for industrial fasteners.
