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 Screws - Oval Head, #10 x 3/4" $23.24 Phillips Tapping Screw - Pan Head, #8 x 3/4" $19.21 Phillips Tapping Screw - Pan Head, #14 x 3" $61.60 Phillips Tapping Screw - Pan Head, #8 x 1" $21.73 Carriage Bolt, 1/2"-13 x 4" $109.86