S-90185A722 1/2"-13 x 2 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
- Exceptional tensile strength of 120,000 psi ensures reliable performance in heavy-duty applications, reducing the risk of bolt failure under stress.
- Zinc-plated steel construction provides excellent corrosion resistance, extending the bolt's service life in harsh industrial environments.
- Square neck design securely locks into materials to prevent rotation during installation, ensuring stable and secure fastening.
- Fully threaded UNC coarse thread allows for quick and easy installation with superior grip in wood and metal assemblies.
- Grade 5 classification and Rockwell C25 hardness deliver consistent durability and strength for demanding mechanical applications.
- Rounded head with wide profile distributes load evenly and reduces surface damage, ideal for use with wood and soft materials.
- Compliance with ASME B18.5 and SAE J429 standards guarantees precise manufacturing and interchangeability for industrial use.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel carriage bolt is engineered to address common challenges in industrial and construction settings, such as vibration-induced loosening and corrosion. The square neck integrates seamlessly into pre-drilled holes, providing anti-rotation security that is critical for structural stability in machinery, trailers, and wooden frameworks. Its fully threaded UNC coarse thread ensures rapid assembly and high pull-out resistance, while the zinc plating offers a protective barrier against moisture and chemicals, reducing maintenance needs. With a rounded head that minimizes surface marring, this bolt is ideal for applications in agricultural equipment, automotive assemblies, and infrastructure projects where reliability and ease of installation are paramount.
Specification Summary & Compliance
This carriage bolt adheres to Class 2A thread fit for consistent engagement and meets ASME B18.5 and SAE J429 specifications for dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity in global supply chains.
