Online Parts Store › Phillips Tapping Screws - Flat Head, #8 x 2-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #8 x 2-1/2" $22.55 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #12 x 3/4" $37.60 Carriage Bolt, 1/2"-13 x 4" $109.86 Phillips Tapping Screw - Pan Head, #14 x 1-1/2" $37.79 Nylon Insert Locknut - Stainless 3/4-10 $53.60 Phillips Tapping Screws - Flat Head, #6 x 1" $11.21