Flat Washer, For Screw Size 1/2" ,Steel Zinc Yellow Finish, 1500 PK

USS Washer, Flat Washer Type USS, Dimensional Standards ASME B18.22.1, Material Steel, Material Grade/Class Case Hardened, Finish Zinc Yellow, For Screw Size 1/2 in, Inside Diameter 0.563 in, Outside Diameter 1 3/8 in, Maximum Thickness 7/64 in, System of Measurement Inch, Minimum Thickness 7/64 in, Color Yellow, Material Quality Standards ASTM F436, Pack Size Bulk Pack, Rockwell Hardness RC38, Thickness Tolerance +/-0.023 in, Package Quantity 1500