Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 2-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 2-1/2" $41.63 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Flat Washer, #6, .032" Thick, OD 3/8" $8.19 Phillips Tapping Screw - Pan Head, #14 x 1-1/2" $37.79 Phillips Self Drilling Screw - Pan Head #10 x 1-1/4" $37.54 Phillips Tapping Screw - Pan Head, #14 x 3/4" $49.38 Flat Washer, 5/16", .062" Thick, OD 7/8" $21.67