S-90185A113 5/16"-18 x 1 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
- Superior anti-rotation performance thanks to the square neck design that locks securely into materials, preventing spin during tightening.
- Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Enhanced corrosion resistance from the black-oxide steel finish, extending service life in various industrial environments.
- Consistent and reliable thread engagement with Class 2A thread fit and coarse UNC threading for easier assembly and vibration resistance.
- High material durability with Rockwell C25 hardness, providing excellent wear resistance and longevity.
- Broad industrial compliance meeting ASME B18.5, SAE J429, RoHS 3, and REACH standards for quality and environmental safety.
- Versatile right-hand threading and fully threaded design for uniform load distribution and straightforward installation.
Professional Applications & Engineering Value
This Grade 5 carriage bolt is engineered to address common industrial challenges such as material shifting and corrosion in demanding environments. The black-oxide steel construction offers a protective layer that minimizes rust, while the square neck design ensures the bolt remains fixed during assembly, eliminating the need for additional locking mechanisms. Its coarse UNC thread and Class 2A fit provide reliable fastening in wood, metal, and structural applications, reducing installation time and maintenance. Ideal for heavy machinery, construction, and automotive uses, this bolt delivers consistent performance where high tensile strength and anti-rotation are critical, supporting long-term structural integrity and safety.
Specification Summary & Compliance
This carriage bolt adheres to precise dimensional standards, including a Class 2A thread fit for consistent tolerance and UNC coarse threading (5/16"-18) for secure fastening. It meets ASME B18.5 and SAE J429 specifications for quality and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.
