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.
Diameter: 13/16″
Diameter 2: 2″
Thickness: 5/32″
Material: Steel
Finish: Yellow Zinc
Thread Type: USS
Hardness: Grade 8
Nominal Size: 3/4″
Type: Flat Washer
Diameter: 5/16″
Diameter 2: 3/4″
Thickness: 1/16″
Material: Steel
Finish: Yellow Zinc
Thread Type: USS
Hardness: Grade 8
Nominal Size: 1/4″
Type: Flat Washer
Diameter: 9/16″
Diameter 2: 1-3/8″
Thickness: 7/64″
Material: Steel
Finish: Yellow Zinc
Thread Type: USS
Hardness: Grade 8
Nominal Size: 1/2″
Type: Flat Washer
Diameter: 3/8″Diameter 2: 7/8″Thickness: 5/64″Material: SteelFinish: Yellow ZincThread Type: USSHardness: Grade 8Nominal Size: 5/16″Type: Flat Washer
Diameter: 1/2″Diameter 2: 1-1/4″Thickness: 5/64″Material: SteelFinish: Yellow ZincThread Type: USSHardness: Grade 8Nominal Size: 7/16″Type: Flat Washer
Diameter: 5/16″Diameter 2: 3/4″Thickness: 1/16″Material: SteelFinish: Yellow ZincThread Type: USSHardness: Grade 8Nominal Size: 1/4″Type: Flat Washer
Diameter: 5/16″Diameter 2: 3/4″Thickness: 1/16″Material: SteelFinish: Yellow ZincThread Type: USSHardness: Grade 8Nominal Size: 1/4″Type: Flat Washer
Diameter: 3/8″Diameter 2: 7/8″Thickness: 5/64″Material: SteelFinish: Yellow ZincThread Type: USSHardness: Grade 8Nominal Size: 5/16″Type: Flat Washer
Diameter: 9/16″Diameter 2: 1-3/8″Thickness: 7/64″Material: SteelFinish: Yellow ZincThread Type: USSHardness: Grade 8Nominal Size: 1/2″Type: Flat Washer








