USS Washer, Steel, Inch, Washer Material Grade Through Hardened, Fastener Finish Zinc Yellow, Fits Bolt Sizes 1/2 In., Washer Inside Dia. 9/16 In., Washer Outside Dia. 1-3/8 In., Thickness 0.086 In. to 0.132 In., Rockwell Hardness RC38 to RC45, Washer Standards ASME/ANSI B 18.22, ASTM F436, Package Quantity 25 Features Application: Load Distributing Item: USS Washer Fits Bolt Sizes: 1/2" Thickness: 0.086" to 0.132" Rockwell Hardness: RC38 to RC45 System of Measurement: Inch Fastener Finish: Zinc Yellow Flat Washer Type: USS Type A Wide Flat Washer Washer Inside Dia.: 9/16" Washer Material Grade: Through Hardened Washer Outside Dia.: 1-3/8" Washer Basic Material: Steel Washer Standards: ASME B18.22.1 and ASTM F436

USS Washer, Steel, Inch, Washer Material Grade Through Hardened, Fastener Finish Zinc Yellow, Fits Bolt Sizes 1/2 In., Washer Inside Dia. 9/16 In., Washer Outside Dia. 1-3/8 In., Thickness 0.086 In. to 0.132 In., Rockwell Hardness RC38 to RC45, Washer Standards ASME/ANSI B 18.22, ASTM F436, Package Quantity 25 Features Application: Load Distributing Item: USS Washer Fits Bolt Sizes: 1/2" Thickness: 0.086" to 0.132" Rockwell Hardness: RC38 to RC45 System of Measurement: Inch Fastener