Back Home / Fasteners / Pins / COTTER PIN – ZINC 5/6″ X 5″ COTTER PIN – ZINC 5/6″ X 5″ SKU: 56X5CP Categories: Fasteners, Pins Metal, extended prong type cotter pin. Extended prong makes separating the tines easier. Used to anchor various assemblies by insertion into a drilled hole of a shaft or pin and spreading the points to hold the assembly in position. When used with castle or slotted nuts, it becomes a safety locking device. Low carbon steel, zinc plated material Diameter is 5/16 inch Length is 5 inches Case Quantity: 25 Log In For Pricing