Online Parts Store › Phillips Tapping Screws - Flat Head, #6 x 1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Carriage Bolt, 1/2"-13 x 4" $109.86 Phillips Tapping Screw - Truss Head #8 x 1-1/4" $39.30 Phillips Tapping Screw - Pan Head, #10 x 1-1/2" $36.40 Phillips Tapping Screw - Pan Head, #10 x 2-1/2" $37.66 Phillips Tapping Screw - Pan Head, #10 x 5/8" $24.31