S-92356A560 1/4"-20 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 with 18-8 Stainless Steel construction, ideal for harsh environments and outdoor applications.
- Enhanced anti-rotation performance due to the square neck design, preventing bolt spinning during installation and use.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity for heavy-duty fastening tasks.
- Rockwell B55 hardness provides excellent durability and resistance to wear and deformation.
- Wide rounded head profile offers a larger bearing surface for secure fastening and reduced risk of pull-through.
- Class 2A thread fit with UNC coarse threading allows for easy assembly and disassembly, even in dirty or debris-filled conditions.
- Full compliance with ASME B18.5, RoHS 3, and REACH ensures safety, quality, and environmental responsibility in industrial settings.
Professional Applications & Engineering Value
This 1/4"-20 UNC Carriage Bolt in 18-8 Stainless Steel is engineered to address common industrial challenges such as corrosion, vibration loosening, and structural integrity. The square neck design locks securely into materials, preventing rotation during torque application—ideal for wood-to-metal connections in construction, agricultural machinery, and transportation equipment. Its fully threaded right-hand configuration and coarse thread spacing facilitate quick installation in tough conditions, while the rounded head minimizes snagging and improves safety. With a tensile strength of 70,000 psi and corrosion-resistant properties, it delivers long-term reliability in demanding environments, reducing maintenance costs and downtime for B2B clients.
Specification Summary & Compliance
This carriage bolt features precise Class 2A thread fit per UNC standards, with a diameter of 0.25" and length of 4-1/2". It adheres to ASME B18.5 manufacturing specifications, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and regulatory adherence for industrial use.
