Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 3/4" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 3/4" $28.22 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Square Tapping Screw - Flat Head,#8 x 1-1/2" $31.67 Phillips Tapping Screws - Flat Head, #8 x 5/8" $12.41 Phillips Tapping Screw - Pan Head, #10 x 2-1/2" $37.66 Stainless External Tooth Lock Washer 1/4" $19.78 Square Tapping Screw - Oval Head #8 x 1-1/2" $54.12