Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 1-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 1-1/2" $19.84 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Square Tapping Screw - Flat Head,#10 x 2" $31.61 Flat Washer, 5/8", .078" Thick, OD 1-1/2" $22.42 Phillips Self Drilling Screw - Pan Head #10 x 1-1/4" $37.54 Lag Screw, 3/8 x 3" $41.46 Phillips Tapping Screws - Flat Head, #6 x 3/4" $10.33