3/8X2 1/2 Cotter Pin Zinc 5/8-18 NE The #12 External Tooth Lock

The #12 External Tooth Lock Washer is a versatile and durable washer designed to prevent loosening in threaded assemblies

The screw is made from steel and has a black zinc and wax coating for corrosion resistance

These 3/4-10 x 12 carriage bolts are partially threaded with a 6" thread length and an undersized body

The 3/4-inch length refers to the distance from the underside of the head to the tip of the screw

They feature a unique internal tooth design that bites into the mating surface

3/8X2 1/2 Cotter Pin Zinc 5/8-18 NE The #12 External Tooth LockThe 3 8 x 2 1 2 inch Cotter Pin is a zinc plated steel pin used to secure a clevis pin or other fastener. It has a T handle on one end and a split shank on the other. The split shank is inserted through the holes in the clevis pin and the T handle is bent over to hold the pin in place. The zinc plating provides corrosion resistance and extends the life of the pin. Cotter pins are commonly used in automotive, marine, and industrial applications.