S-90185A628 3/8"-16 x 1 1/2" 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
- Superior anti-rotation performance thanks to the integrated square neck design that prevents spinning during installation and under vibration
- Exceptional tensile strength rated at 120,000 psi for reliable performance in heavy-duty and structural applications
- Enhanced corrosion resistance provided by the zinc-plated steel construction, extending service life in various environments
- Optimized for high-strength requirements with a Rockwell C25 hardness, ensuring durability and resistance to wear
- Wide compatibility and easy installation with a fully threaded UNC coarse thread design, suitable for a broad range of industrial uses
- Secure fastening in wood and metal facilitated by the rounded carriage head style, which provides a clean finish and prevents pull-through
- Guaranteed dimensional consistency with Class 2A thread fit, ensuring precise and reliable mating with nuts
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel carriage bolt is engineered to address critical challenges in industrial assembly, such as joint integrity under dynamic loads and corrosion in harsh environments. The fully threaded UNC coarse spacing and square neck work in tandem to provide superior anti-rotation, making it ideal for wood-to-metal connections in construction, agricultural machinery, and transportation equipment. Its 120,000 psi tensile strength and Rockwell C25 hardness ensure it can withstand significant stress and vibration without failure, reducing maintenance needs and downtime. The zinc plating offers a protective barrier against moisture and chemicals, enhancing longevity in outdoor or corrosive settings. By integrating these features, this bolt delivers reliable, long-term performance for demanding industrial carriage bolt applications.
Specification Summary & Compliance
This carriage bolt features a 3/8"-16 UNC thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It complies with ASME B18.5 and SAE J429 standards, ensuring consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
