10 x 1/4 x 9/16 Chrome Plated Grade 2 Steel USS Flat Washers (16 pcs.)
Diameter: 1/4Diameter 2: 9/16Thickness: 1/16Material: SteelFinish: ChromeThread Type: USSHardness: Grade 2Nominal Size: #10Type: Flat WasherBox of 16.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.