Online Parts Store › Phillips Tapping Screws - Flat Head, #6 x 1-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #6 x 1-1/2" $16.94 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #14 x 1-1/4" $33.19 Phillips Tapping Screw - Truss Head #10 x 1-1/4" $50.76 Stainless Fender Washer 3/8", .078" Thick, OD 1-1/2" $54.73 Phillips Tapping Screw - Truss Head #8 x 3/4" $17.19 Phillips Tapping Screws - Oval Head, #12 x 2-1/2" $39.93