S-98060A860 3/8"-16 x 2 1/2" 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 with a knurled neck design that prevents loosening under vibration and dynamic loads.
- Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments.
- High tensile strength of 120,000 psi ensures reliable performance in heavy-duty and structural applications.
- Excellent hardness (Rockwell C25) provides durability and resistance to wear and deformation.
- Wide rounded head design distributes clamping force effectively and reduces surface damage.
- Coarse UNC threading allows for quick and easy installation, even in rough or dirty conditions.
- Compliance with SAE J429 and environmental regulations guarantees quality and safety for professional use.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel carriage bolt is engineered to address critical challenges in industrial fastening, such as vibration-induced loosening and corrosion. The knurled neck provides exceptional anti-rotation, making it ideal for machinery, construction, and automotive assemblies where stability is paramount. With a coarse UNC thread and partially threaded shank, it ensures secure engagement in wood, metal, and composite materials, reducing installation time and maintenance needs. The zinc-plated finish offers reliable protection against rust, while the wide rounded head minimizes embedding and surface marring. Suitable for heavy-duty applications, this bolt delivers consistent performance under high stress, meeting the demands of SAE J429 standards for reliability and safety.
Specification Summary & Compliance
This carriage bolt features a 3/8"-16 UNC coarse thread with Class 2A fit for precise dimensional accuracy and easy assembly. It complies with SAE J429 specifications for mechanical properties and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances. The bolt's partially threaded design provides a minimum thread length of 1 inch, and its Grade 5 strength classification confirms its suitability for high-stress industrial applications.
