S-90185A244 7/16"-14 x 2 3/4" ASME B18.5, SAE J429 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
- Exceptional load-bearing capacity with Grade 5 classification and 120,000 psi tensile strength for reliable performance in heavy-duty applications
- Superior corrosion resistance through zinc-plated steel construction, extending service life in harsh industrial environments
- Precise thread engagement with Class 3A thread fit ensuring secure fastening and vibration resistance
- Enhanced anti-rotation design featuring square neck that prevents spinning during installation and maintenance
- Optimized thread performance with coarse UNC threading providing faster installation and better debris clearance
- Consistent mechanical properties maintained through Rockwell C25 hardness for dependable performance under stress
- Full-threaded convenience allowing flexible positioning and maximum grip length along the entire shank
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel carriage bolt delivers exceptional engineering value through its robust construction and precision manufacturing. The fully threaded UNC coarse thread design ensures rapid installation in wood-to-metal and structural applications, while the square neck provides superior anti-rotation security that prevents loosening under vibration - a critical advantage in construction equipment, agricultural machinery, and transportation infrastructure. The zinc-plated finish creates a protective barrier against environmental corrosion, making it ideal for outdoor structures, industrial framing, and marine applications. With its 120,000 psi tensile strength and Rockwell C25 hardness, this carriage bolt maintains structural integrity under heavy loads and dynamic stresses, solving common failure points in demanding industrial environments.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit precision and UNC 7/16"-14 coarse threading. Complies with ASME B18.5 and SAE J429 Grade 5 specifications for dimensional accuracy and mechanical properties. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards for hazardous substance restrictions.
