1/4" x 4" Cotter Pins – Carbon Steel, Zinc CR+3

Secure long and heavy‑duty fastener assemblies with durable 1/4" x 4" 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 deliver dependable retention and long‑lasting performance in both indoor and outdoor environments.