Flat Washer, For Screw Size M20 ,Steel Black Oxide Finish

Flat Washer, Dimensional Standards Not Applicable, Material Steel, Material Grade/Class Case Hardened, Finish Black Oxide, For Screw Size M20, Inside Diameter 22 mm, Outside Diameter 38 mm, Maximum Thickness 6 19/32 in, System of Measurement Metric, Minimum Thickness 6 mm, Color Black, Made in North America Made in North America