Online Parts Store › Phillips Tapping Screws - Flat Head, #10 x 1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #10 x 1/2" $18.08 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Square Tapping Screw - Oval Head #10 x 1-1/4" $57.05 Phillips Tapping Screw - Pan Head, #14 x 3" $61.60 Stainless External Tooth Lock Washer #10 $14.42 Phillips Tapping Screw - Truss Head #10 x 1" $33.32 Phillips Wood Screw - Flat Head, #8 x 3/4" $43.08