Au-ve-co® 12782 High Strength Flat Washer, 5/16 in Trade, 11/32 x 11/16 in Dia, Steel, Zinc and Gold Dichromate

Au-ve-co® High Strength Flat Washer, 5/16 in Trade, 11/32 x 11/16 in Diameter, 0.055 to 0.072 in Thickness, Steel, Zinc and Gold Dichromate, R/C35 - 45 Rockwell Hardness, For Used With Grade 5 and 8 Bolts, SAE Thread Additional Information