Online Parts Store › Phillips Tapping Screws - Oval Head, #10 x 1/2" Image 1 of 1 Phillips Tapping Screws - Oval Head, #10 x 1/2" $24.75 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #12 x 1" $40.94 Stainless Cotter Pin 1/8" x 2" $18.81 Stainless Cotter Pin 5/32" x 1-1/2" $64.12 Phillips Tapping Screws - Flat Head, #12 x 3" $42.89 Square Tapping Screw - Flat Head,#10 x 1-1/2" $62.54