US, Small plastic compartment boxes, Bolt Assortments

Material

• Stainless steel 18-8

  A corrosion resistant steel alloy. The most common stainless steel for general hardware use.

• 
  Zinc plated grade 5 steel

  A low carbon steel for general use. Zinc plated for moderate corrosion resistance. A tempered medium carbon steel. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications.

• 
  Zinc plated grade 8 steel

  A low carbon steel for general use. Zinc plated for moderate corrosion resistance. A tempered medium carbon steel. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications.