5/16 x 11/32 x 11/16 Chrome Plated Grade 2 Steel SAE Flat Washers (16 pcs.)
Diameter: 11/32Diameter 2: 11/16Thickness: 1/16Material: SteelFinish: ChromeThread Type: SAEHardness: Grade 2Nominal Size: 5/16Type: 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.