Online Parts Store › Stainless Countersunk Finishing Washer, #1/4 Image 1 of 1 Stainless Countersunk Finishing Washer, #1/4 $21.92 316 Stainless Steel. Add To Cart Added! 316 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #6 x 5/8" $9.57 Blind Rivet, 1/8" x 1/2" $71.23 Phillips Tapping Screw - Pan Head, #10 x 5/8" $24.31 Phillips Tapping Screws - Flat Head, #8 x 3/8" $11.90 Phillips Tapping Screw - Pan Head, #10 x 1-1/4" $32.56