Used to spread the load of a bolt or screw over a larger area or to help prevent loosening under vibration.
Subcategory
Lock washers external tooth
Uses external teeth to help prevent loosening.
Material
Steel
A low carbon steel for general use.
Plating
Zinc
Zinc plated for moderate corrosion resistance.
Size
7/16"
Outside diameter
0.740" - 0.760"
Inside diameter
0.448" - 0.464"
Thickness
0.032" - 0.040"
Dimensional standard
ASME B18.21.1
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