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
Steel
Plating
Zinc
Zinc plated for moderate corrosion resistance.
Grade
Class 10.9
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.
Size
12mm
Outside diameter
24mm
Inside diameter
13.00mm - 13.27mm
Thickness
2.3mm - 2.7mm
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