Jumbo Washer, Flat Washer Type Oversized, Dimensional Standards AMPG 2001 FL.05, Material Steel, Material Grade/Class Grade 2, Finish Black Oxide, For Screw Size 2 1/2 in, Inside Diameter 2.625 in, Outside Diameter 4 1/2 in, Maximum Thickness 0.312 in, System of Measurement Inch, Minimum Thickness 0.312 in, 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 C40

Jumbo Washer, Flat Washer Type Oversized, Dimensional Standards AMPG 2001 FL.05, Material Steel, Material Grade/Class Grade 2, Finish Black Oxide, For Screw Size 2 1/2 in, Inside Diameter 2.625 in, Outside Diameter 4 1/2 in, Maximum Thickness 0.312 in, System of Measurement Inch, Minimum Thickness 0.312 in, 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 C40