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 2-1/2" $39.93 Phillips Tapping Screw - Truss Head #10 x 3/4" $31.18 Phillips Tapping Screws - Oval Head, #10 x 1" $27.33 Seachoice 18-8 Stainless Steel Wing Nuts, 1/4-20 Size, Pack of 100 $110.41 Phillips Tapping Screws - Flat Head, #6 x 5/8" $9.57