Online Parts Store › Flat Washer, 3/8", .062" Thick, OD 1" Image 1 of 1 Flat Washer, 3/8", .062" Thick, OD 1" $40.34 Hot Dipped Galvanized. Add To Cart Added! Hot Dipped Galvanized. You Might Also Like Nylon Insert Locknut - Stainless 12-24 $75.96 Stainless Countersunk Finishing Washer, #4 $13.29 Phillips Tapping Screws - Flat Head, #14 x 1" $45.79 Seachoice 01533 Hex Nut, 1/2-13 $66.78 Stainless Countersunk Finishing Washer, #1/4 $21.92