Flat Washer, For Screw Size M6 ,Steel Black Oxide Finish, 5 PK

Flat Washer, Flat Washer Type Standard, Dimensional Standards AMPG 2001 FL.04, Material Steel, Material Grade/Class Case Hardened, Finish Black Oxide, For Screw Size M6, Inside Diameter 6.4 mm, Outside Diameter 18 mm, Maximum Thickness 4.5 mm, System of Measurement Metric, Minimum Thickness 4.5 mm, Color Black, Inside Diameter Tolerance +/-0.010 in, Material Quality Standards ASTM A108, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack, Rockwell Hardness C4