Au-ve-co® 12774 High Strength Flat Washer, 7/16 in Trade, 1/2 x 1-1/4 in Dia, Steel, Zinc and Gold Dichromate

Au-ve-co® High Strength Flat Washer, 7/16 in Trade, 1/2 x 1-1/4 in Diameter, 0.064 to 0.104 in Thickness, Steel, Zinc and Gold Dichromate, R/C35 - 45 Rockwell Hardness, For Used With Grade 5 and 8 Bolts, USS Thread Additional Information