Au-ve-co® 12775 High Strength Flat Washer, 1/2 in Trade, 9/16 x 1-3/8 in Dia, Steel, Zinc and Gold Dichromate

Au-ve-co® High Strength Flat Washer, 1/2 in Trade, 9/16 x 1-3/8 in Diameter, 0.097 to 0.121 in Thickness, Steel, Zinc and Gold Dichromate, R/C35 - 45 Rockwell Hardness, For Used With Grade 5 and 8 Bolts, USS Thread Additional Information