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 Phillips Tapping Screw - Truss Head #8 x 3/4" $17.19 Phillips Tapping Screw - Truss Head #10 x 1" $33.32 Stainless Cotter Pin 5/32" x 1-1/2" $64.12 Phillips Tapping Screws - Oval Head, #12 x 1" $45.16 Seachoice 01011 Lock Washer ,5/16" $31.68