Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 1-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 1-1/2" $19.84 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 5/32" x 2" $84.08 Phillips Tapping Screw - Pan Head, #10 x 3" $37.54 Seachoice 01531 Hex Nut, 3/8-16 $30.68 Stainless Cotter Pin $169.61 Stainless External Tooth Lock Washer 5/16" $19.48