S-90185A419 5/16"-18 x 2 1/4" 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
- Superior corrosion resistance with zinc-plated steel construction, ideal for outdoor and harsh industrial environments
- Exceptional load-bearing capacity with 120,000 psi tensile strength, ensuring reliable performance in heavy-duty applications
- Precise thread engagement through Class 3A fit and UNC coarse threading, providing vibration resistance and secure fastening
- Enhanced rotational security with square neck design, preventing bolt spin during installation and use
- Optimized hardness at Rockwell C25, offering excellent durability and resistance to wear and deformation
- Full-threaded design for maximum grip length and versatile fastening across various material thicknesses
- Comprehensive compliance with ASME B18.5, SAE J429, RoHS 3, and REACH standards, ensuring safety and regulatory adherence
Professional Applications & Engineering Value
These Grade 5 carriage bolts are engineered to address critical challenges in industrial assembly, construction, and machinery. The zinc-plated steel material provides a protective barrier against rust and corrosion, extending service life in exposed or humid conditions. The square neck effectively locks into materials to prevent rotation during torque application, eliminating the need for additional locking mechanisms. With fully threaded UNC coarse spacing and Class 3A fit, these bolts ensure quick installation and reliable holding power in wood, metal, and structural frameworks, reducing maintenance and replacement frequency in demanding applications.
Specification Summary & Compliance
This carriage bolt features a 5/16"-18 UNC coarse thread with Class 3A fit for precise dimensional accuracy. Manufactured to meet ASME B18.5 and SAE J429 specifications, it guarantees consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence for global industrial use.
