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 Nylon Insert Locknut - Stainless 10-32 $25.51 Stainless Fender Washer 1/4", .062" Thick, OD 1-1/2 $103.98 Phillips Tapping Screws - Oval Head, #10 x 3" $32.37 Square Tapping Screw - Oval Head #8 x 3/4" $25.25 Nylon Insert Locknut - Stainless 7/16-14 $21.10