Stainless steel 18-8
A corrosion resistant steel alloy. The most common stainless steel for general hardware use.
Stainless steel 316
A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments.
Zinc plated steel
A low carbon steel for general use, either Grade 2 or A307A. Zinc plated for moderate corrosion resistance.
Zinc plated grade 5 steel
A tempered medium carbon steel. Zinc plated for moderate corrosion resistance. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications.
Silicon bronze
Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.
Aluminum
A lightweight and corrosion resistant metal.
Nylon 6/6
A general purpose nylon often used in fasteners for corrosion resistance.