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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
Also known as A-2 stainless, 18-8 is the most common grade of stainless steel for general use. A corrosion resistant steel alloy.
Also known as A-4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments. More expensive than 18-8. A corrosion resistant steel alloy.
A corrosion resistant steel alloy. High strength stainless steel, suitable for use in temperatures up to 600° F while offering corrosion resistance similar to 18-8. Commonly used in petrochemical and aerospace industries.
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
Zinc plated for moderate corrosion resistance. A tempered medium carbon steel. Class 10.9 is stronger than class 8.8. It is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8.
A low carbon steel for general use. Chrome plated and polished for a mirror like finish.
A general purpose nylon often used in fasteners for corrosion resistance.
Washers with oversized outside diameters.
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.
A lock washer system that uses wedge locking technology to prevent loosening under severe vibration and dynamic load.
A low carbon steel for general use. Delta Protekt® is a zinc flake coating providing high corrosion protection.
Uses external teeth to help prevent loosening.
Uses internal teeth to help prevent loosening.