Online Parts Store › Flat Washer, #6, .032" Thick, OD 3/8" Image 1 of 1 Flat Washer, #6, .032" Thick, OD 3/8" $8.19 316 Stainless Steel. Add To Cart Added! 316 Stainless Steel. You Might Also Like Phillips Tapping Screws - Oval Head, #12 x 1-1/2" $30.55 Nylon Flat Washer 5/16", 0.62" Thick, OD 7/8" $37.54 Phillips Tapping Screw - Truss Head #10 x 3/4" $31.18 Stainless Countersunk Finishing Washer, #6 $13.10 Phillips Tapping Screws - Oval Head, #10 x 1-1/2" $36.59