S-98060A830 3/8"-16 x 1 1/2" SAE J429 Carriage Bolts

Key Features & Benefits at a Glance

• Superior anti-rotation performance due to the knurled neck design, preventing loosening under vibration and ensuring secure fastening in demanding applications.
• Enhanced corrosion resistance with zinc-plated steel construction, offering reliable protection against rust and extending service life in harsh industrial environments.
• High tensile strength of 120,000 psi and Grade 5 classification, providing dependable load-bearing capacity for heavy-duty structural and machinery assemblies.
• Wide rounded head profile distributes clamping force evenly, reducing surface damage and improving stability in wood, metal, and composite materials.
• Coarse UNC threading with Class 2A fit ensures easy installation, quick assembly, and consistent thread engagement for efficient maintenance and repairs.
• Partial threading design allows for precise grip length control, minimizing thread exposure and optimizing shear strength in pivot and hinge applications.
• Compliance with SAE J429, RoHS 3, and REACH standards guarantees material safety, environmental responsibility, and adherence to global industrial regulations.

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel carriage bolt is engineered to address common industrial challenges such as joint failure, corrosion, and vibration-induced loosening. The knurled neck provides exceptional anti-rotation, making it ideal for securing wooden structures, agricultural equipment, and transportation frameworks where stability is critical. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands heavy loads and impact stresses in construction, machinery, and automotive assemblies. The zinc plating offers reliable corrosion protection, while the coarse UNC thread and partial threading enable quick installation and reduced assembly time. Suitable for industrial bolts applications, it ensures long-term reliability and compliance with stringent safety standards.

Specification Summary & Compliance

This carriage bolt features precise Class 2A thread fit and adheres to UNC thread standards with a size of 3/8"-16. It meets SAE J429 specifications for material and performance, ensuring consistent quality and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental safety and suitability for global industrial use.