S-93180A210 1/4"-20 x 3/4" 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 chemical and marine environments
- Exceptional tensile strength rated at 70,000 psi for reliable performance in heavy-duty applications
- Secure anti-rotation locking through square neck design that prevents spinning during installation
- Optimized coarse threading (1/4"-20 UNC) provides faster assembly and reduced cross-threading risks
- Precision thread fit (Class 2A) ensures consistent engagement and vibration resistance
- Wide rounded head distributes clamping force evenly while maintaining a finished appearance
- Full regulatory compliance with ASME B18.5 standards and environmental regulations (RoHS 3/REACH)
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 316 stainless steel carriage bolts deliver exceptional performance where corrosion resistance and structural integrity are critical. The square neck design provides positive locking in wood, metal, and composite materials, eliminating rotation during torque application. With UNC coarse threading and Class 2A thread fit, these fasteners offer rapid installation in production environments while maintaining vibration resistance. The fully threaded configuration accommodates varying material thicknesses, making them ideal for construction, marine equipment, chemical processing systems, and outdoor infrastructure where exposure to moisture, chemicals, and temperature variations would compromise inferior fasteners.
Specification Summary & Compliance
This 1/4"-20 UNC carriage bolt features precision Class 2A thread tolerances and complies with ASME B18.5 dimensional standards. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Manufacturing specifications include 70,000 psi tensile strength and Rockwell B55 hardness, ensuring consistent mechanical performance across industrial applications.
