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USS flat washers

Washers provide a greater bearing surface under the fastener. This helps prevent a nut, bolt or screw from pulling through the material.

Choose your fastener material.

Material	Description
Zinc plated steel	Steel is zinc plated for moderate protection against rust.
Steel grade 8	Made from tempered medium carbon alloy steel and zinc plated. Best for applications where high strength and hardness is required.
Hot dipped galvanized	Hot dipped galvanized fasteners are much more corrosion resistant than zinc plated fasteners. Due to the thickness of the galvanized coating, galvanized bolts will only work with galvanized nuts. For exterior and coastal area use. (ASTM A153)
Grade 2 chrome	A grade 2 fastener with a bright mirror-like finish providing sharp looks for a variety of applications.