Flat Washer, For Screw Size 1-4" ,Steel Zinc Plated Finish, 25 PK WASB14NZ

Narrow Rim Type B Washer, Flat Washer Type Standard, Dimensional Standards ASME B18.22.1, Material Steel, Material Grade/Class Case Hardened, Finish Zinc-Plated, For Screw Size 1/4 in, Inside Diameter 0.281 in, Outside Diameter 1/2 in, Maximum Thickness 0.071 in, System of Measurement Inch, Minimum Thickness 0.056 in, Color Silver, Inside Diameter Tolerance +/-0.010 in, Material Quality Standards ASTM A108, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack, Rockwell Hardness B55