Diameter: 17/32"
Diameter 2: 1-1/16"
Thickness: 3/32"
Material: Steel
Finish: Zinc
Thread Type: SAE
Hardness: Grade 2
Nominal Size: 1/2"
Type: Flat Washer
A flat washer is a thin, usually round, plate with a hole in the middle that is normally used to distribute the load of a threaded fastener. USS flat washers have a large, wider body. SAE flat washers are machined to a tighter specification and have a smaller outside diameter.
Vibration-resistant washers for secure fastening-1/2" x 17/32" x 1-1/16" Zinc Plated Grade 2 Steel SAE Flat Washers
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