Flat Washer, For Screw Size M30 ,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 M30, Inside Diameter 31 mm, Outside Diameter 44 mm, Maximum Thickness 4 mm, System of Measurement Metric, Minimum Thickness 4 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