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 Stainless Fender Washer 1/4", .062" Thick1/4", OD1-1/4" $59.33 Phillips Tapping Screws - Flat Head, #6 x 1-1/4" $15.93 Flat Washer, 3/8", .062" Thick, OD 5/8" (A/N Style) $11.46 Phillips Self Drilling Screw - Pan Head #10 x 1" $41.63 Carriage Bolt, 1/2"-13 x 4" $109.86