Tap bolts

Material

• 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.