1/2″ x 3″ Cotter Pin Zinc is a metal fastener used to secure two objects together. It is made of zinc-plated steel and has a diameter of 1/2″ and a length of 3″. The cotter pin has a split end that is inserted through a hole in one of the objects and then bent over to secure the other object. Cotter pins are commonly used in a variety of applications, including automotive, marine, and construction. They are also used in some types of jewelry and crafts.

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