Online Parts Store › Phillips Tapping Screws - Flat Head, #6 x 3/8" Image 1 of 1 Phillips Tapping Screws - Flat Head, #6 x 3/8" $9.01 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #8 x 1" $18.01 Stainless External Tooth Lock Washer 5/16" $19.48 Phillips Tapping Screws - Flat Head, #8 x 5/8" $12.41 Phillips Tapping Screw - Pan Head, #10 x 2" $24.88 Stainless Cotter Pin 1/16" x 1/2" $9.76