Online Parts Store › Stainless Countersunk Finishing Washer, #8 Image 1 of 1 Stainless Countersunk Finishing Washer, #8 $14.36 316 Stainless Steel. Add To Cart Added! 316 Stainless Steel. You Might Also Like Nylon Flat Washer 3/8", 0.62" Thick, OD 1" $57.19 Phillips Tapping Screw - Pan Head, #14 x 3" $61.60 Phillips Tapping Screws - Flat Head, #14 x 1-1/2" $28.97 Stainless Countersunk Finishing Washer, #12 $18.89 Stainless External Tooth Lock Washer #10 $14.42