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 Stainless Cotter Pin 1/8" x 1" $63.67 Stainless Cotter Pin 3/32" x 1-1/4" $54.48 Flat Washer, 1/4", .050" Thick, OD 1/2" (A/N Style) $11.46 Stainless Fender Washer 3/8", .078" Thick, OD 1-1/2" $54.73 Phillips Tapping Screws - Oval Head, #10 x 3/4" $23.24