Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 2" $33.25 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Oval Head, #10 x 1-1/2" $36.59 Phillips Tapping Screw - Truss Head #10 x 1" $33.32 Square Tapping Screw - Flat Head,#10 x 1-1/4" $48.20 Seachoice 18-8 Stainless Steel Wing Nuts, 5/16-18 Size, Pack of 50 $101.59 Stainless Fender Washer 5/16", .078" Thick, OD 1-1/2 $54.04