Online Parts Store › Stainless Countersunk Finishing Washer, #6 Image 1 of 1 Stainless Countersunk Finishing Washer, #6 $13.10 316 Stainless Steel. Add To Cart Added! 316 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #14 x 2" $41.13 Phillips Tapping Screws - Oval Head, #10 x 2-1/2" $29.85 Stainless Fender Washer 3/8", .078" Thick, OD 1-1/2" $54.73 Stainless Cotter Pin 3/32" x 1-1/2" $56.56 Stainless Fender Washer 5/16", .078" Thick, OD 1-1/2 $54.04