Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 3" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 3" $42.89 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Tee Nut - Stainless 5/16"-18 $26.64 Stainless Countersunk Finishing Washer, #8 $14.36 Seachoice 01006 Lock Washer, #8 $15.43 Phillips Tapping Screw - Pan Head, #10 x 1-3/4" $26.26 Seachoice 01533 Hex Nut, 1/2-13 $66.78