Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 3/4" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 3/4" $28.22 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 1/2" $21.73 Stainless Fender Washer 5/16", .078" Thick, OD 1-1/2 $54.04 Square Tapping Screw - Flat Head,#8 x 1-1/2" $31.67 Stainless Cotter Pin 1/8" x 1-1/2" $55.55 Stainless Fender Washer 1/4", .062" Thick, OD 1-1/2 $103.98