Hex nuts, Right hand (standard) thread, 5/16"-18

A low carbon steel for general use. Zinc plated for moderate corrosion resistance.

A low carbon steel for general use. Chrome plated and polished for a mirror like finish.

A low carbon steel for general use. Hot dipped galvanized is a coating for very good corrosion resistance.

Solid brass. An alloy of primarily copper and zinc with good corrosion resistance. Used mostly in decorative and electrical applications. Exact color varies.

Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.