S-92356A601 5/16"-18 x 4 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 from 18-8 stainless steel construction, ideal for harsh or outdoor environments.
- Exceptional mechanical strength with a 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress.
- Secure anti-rotation locking provided by the square neck, preventing the bolt from spinning during nut tightening.
- Wide bearing surface from the rounded carriage head distributes load effectively, minimizing surface damage.
- Easy and quick installation with coarse UNC threading and Class 2A fit, ensuring smooth assembly and disassembly.
- Full thread engagement along the 4-1/2" length offers versatile fastening options and maximum grip.
- Compliance with industry standards including ASME B18.5, RoHS 3, and REACH for guaranteed quality and environmental safety.
Professional Applications & Engineering Value
This 5/16"-18 UNC carriage bolt is engineered to solve critical fastening challenges in demanding industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it perfect for construction, agricultural machinery, and outdoor structural projects where exposure to moisture is a concern. The square neck design securely locks into the mating material, preventing rotation during assembly and ensuring a stable, vibration-resistant connection. With its fully threaded body and coarse thread pattern, it allows for quick installation and high clamping force, reducing labor time and improving operational efficiency in assembly lines and maintenance tasks. Its robust 70,000 psi tensile strength ensures it can handle heavy loads without failure, providing long-term reliability in heavy-duty frameworks and equipment.
Specification Summary & Compliance
This carriage bolt features precise Class 2A thread fit and adheres to UNC coarse thread standards for consistent performance. It is manufactured in compliance with ASME B18.5 specifications, ensuring dimensional accuracy and interchangeability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental safety and suitability for global industrial use.
