Online Parts Store › Phillips Tapping Screws - Flat Head, #10 x 4" Image 1 of 1 Phillips Tapping Screws - Flat Head, #10 x 4" $43.96 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #8 x 3/4" $12.91 Stainless Cotter Pin 1/8" x 1-1/4" $65.75 Carriage Bolt, 1/2"-13 x 3" $92.78 Phillips Tapping Screw - Pan Head, #12 x 1-1/2" $30.92 Lock Washer, 7/16" $32.06