Used to spread the load of a bolt or screw over a larger area or to help prevent loosening under vibration.
Subcategory
Flat washers
General use flat washer
Material
Stainless steel
Grade
316
Also known as A-4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments.
Size
20mm
Outside diameter
37mm
Inside diameter
21.00mm - 21.33mm
Thickness
2.7mm - 3.3mm
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