Cotter Pin - Heavy-Duty Split Pin for Mechanical Fastening Applications #3697459 (License: Personal Use)

This is a high-quality split cotter pin made from hardened steel, featuring a smooth U-shaped bend and two prongs that splay outward for locking. The surface shows a bright zinc plating for enhanced corrosion resistance and durability in demanding environments. Designed to prevent axial movement of components, it’s commonly used in linkages, control arms, and pivot points.

Used on product pages for hardware suppliers, repair manuals, or e-commerce listings for fasteners; matches user intent for purchasing, identifying, or replacing cotter pins in mechanical maintenance or assembly tasks.