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 Blind Rivet, 1/8" x 3/8" $61.05 Stainless Countersunk Finishing Washer, #8 $14.36 Phillips Tapping Screw - Pan Head, #10 x 3" $37.54 Phillips Tapping Screws - Flat Head, #8 x 3/4" $12.91 Carriage Bolt, 1/2"-13 x 5" $49.07