Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 2-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 2-1/2" $41.63 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Nylon Insert Locknut - Stainless 1/2-13 $35.14 Tee Nut - Stainless 10-24 $37.98 Phillips Tapping Screws - Oval Head, #12 x 3/4" $33.07 Phillips Tapping Screw - Pan Head, #12 x 2" $30.36 Phillips Tapping Screws - Flat Head, #14 x 3" $59.58