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
4mm
Outside diameter
9mm
Inside diameter
4.30mm - 4.48mm
Thickness
0.7mm - 0.9mm
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