S-92356A558 1/4"-20 x 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 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength rated at 70,000 psi for reliable performance under heavy loads
- Enhanced anti-rotation security through integrated square neck design that prevents spinning during installation
- Optimized thread engagement with fully threaded UNC coarse spacing for faster assembly and stronger holding power
- Precise thread compatibility ensured by Class 2A fit, providing consistent mating with standard nuts
- Wide head profile (0.594" diameter) distributes clamping force effectively, reducing surface damage
- Full regulatory compliance with ASME B18.5 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
This heavy-duty carriage bolt delivers critical engineering solutions where vibration resistance and material integrity are paramount. The 18-8 stainless steel composition provides excellent corrosion resistance for outdoor equipment, marine applications, and food processing facilities. The integrated square neck mechanically locks into mounting surfaces, eliminating rotation during torque application - a crucial advantage in assembly line operations and structural connections. With fully threaded UNC coarse spacing, installation time is reduced while maintaining superior pull-out strength in wood, metal, and composite materials. These industrial carriage bolts meet rigorous ASME B18.5 specifications, ensuring dimensional consistency and reliable performance in demanding mechanical systems.
Specification Summary & Compliance
This carriage bolt features precision Class 2A thread fit with 1/4"-20 UNC coarse threading and right-hand direction. Manufacturing complies with ASME B18.5 standards for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. Mechanical properties include Rockwell B55 hardness and 70,000 psi tensile strength, ensuring reliable performance in industrial applications.
