5/16" X 3" COTTER PIN CARBON STEEL ZINC CR+3

Secure heavy‑duty and extended fastener assemblies with durable 5/16" x 3" cotter pins manufactured from carbon steel and finished with Zinc CR+3 plating for enhanced corrosion resistance. Designed to safely lock clevis pins, castle nuts, and bolts in place, these cotter pins are easy to install and bend for a tight, vibration‑resistant hold. Ideal for automotive, industrial, agricultural, and general hardware applications, they provide dependable retention and long‑lasting performance in both indoor and outdoor environments.