USS flat washers, Zinc plated grade 8 steel yellow, 5/16"
USS flat washer

Prod. # Size Each price Bag price Bulk price Price Buy
3061 5/16" $0.15 / ea $8.74 / 100 $73.60 / 1000 $0.15 / ea $8.74 / 100 $73.60 / 1000
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USS flat washer dimensions
Product details
Bolt Depot product# 3061
Units US
Category Washers
Used to spread the load of a bolt or screw over a larger area or to help prevent loosening under vibration.
Subcategory USS flat washers
USS pattern is the most common type of flat washer.
Material Steel
A tempered medium carbon steel.
Plating Zinc
Zinc plated for moderate corrosion resistance.
Grade Grade 8
Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications.
Color Yellow
Size 5/16"
Outside diameter 7/8" (Min 0.868", Max 0.905")
Inside diameter 3/8" (Min 0.370", Max 0.390)
Thickness 0.064" - 0.104"
Dimensional standard ASME B18.21.1

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