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Washers are used to spread the load of a bolt or screw over a larger area or to help prevent loosening under vibration.
General use flat washer
A corrosion resistant steel alloy. The most common stainless steel for general hardware use.
USS pattern is the most common type of flat washer.
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. A low carbon steel for general use. Unplated finish.
A low carbon steel for general use. Hot dipped galvanized is a coating for very good corrosion resistance.
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
Split lock washers place tension against a nut after tightening, to help prevent loosening.
A split lock washer designed to fit under the head of a socket cap screw.
A chemically produced coating that leaves the steel surface with a matte black finish and offers mild corrosion resistance.
Intended to be used in a beam flange to provide a parallel surface.
Hot dipped galvanized is a coating for very good corrosion resistance.