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Metric flat washers, Zinc plated class 10.9 steel, 20mm

Washer

Prod. # Size Each price Bag price Bulk price Price Buy
28784 20mm $0.57 / ea $38.30 / 100 $337.00 / 1,000 $0.57 / ea $38.30 / 100 $337.00 / 1,000
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Flat washer dimensions
Product details
Bolt Depot product# 28784
Units Metric
Category Washers
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 20mm
Outside diameter 37mm
Inside diameter 21.00mm - 21.33mm
Thickness 2.7mm - 3.3mm