S-93180A260 1/4"-20 x 3" 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 316 stainless steel construction, ideal for harsh environments and outdoor applications
- Exceptional mechanical strength with 70,000 psi tensile rating and Rockwell B55 hardness for reliable load-bearing performance
- Anti-rotation security through integrated square neck design that prevents spinning during installation and use
- Wide rounded head profile provides enhanced bearing surface and prevents pull-through in softer materials
- Full UNC coarse threading ensures faster installation and superior holding power in various materials
- Precision Class 2A thread fit guarantees consistent performance and compatibility with standard nuts
- Regulatory compliance meets ASME B18.5 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
This 316 stainless steel carriage bolt delivers exceptional value in demanding industrial environments where corrosion resistance and structural integrity are paramount. The combination of 70,000 psi tensile strength and Rockwell B55 hardness ensures reliable performance in structural applications, while the square neck design provides critical anti-rotation security that prevents loosening under vibration or dynamic loads. The fully threaded UNC coarse spacing allows for versatile installation across various material thicknesses, making these carriage bolts ideal for construction, marine applications, chemical processing equipment, and infrastructure projects where long-term durability and regulatory compliance are essential requirements.
Specification Summary & Compliance
This 1/4"-20 UNC carriage bolt features precision Class 2A thread fit with coarse spacing and full threading along the 3" length. Manufactured to ASME B18.5 standards with dimensional accuracy including 0.594" head diameter and 0.145" head height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while maintaining consistent quality and performance specifications.