Online Parts Store › Phillips Tapping Screws - Flat Head, #8 x 1-3/4" Image 1 of 1 Phillips Tapping Screws - Flat Head, #8 x 1-3/4" $16.75 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Flat Washer, 1/2", .078" Thick, OD 1-3/8" $74.51 Phillips Tapping Screw - Truss Head #8 x 1" $30.99 Square Tapping Screw - Flat Head,#10 x 1-1/2" $62.54 Phillips Tapping Screws - Oval Head, #12 x 1-1/2" $30.55 Phillips Tapping Screws - Oval Head, #12 x 1-1/4" $22.30