Online Parts Store › Phillips Tapping Screws - Flat Head, #12 x 1" Image 1 of 1 Phillips Tapping Screws - Flat Head, #12 x 1" $38.48 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Nylon Flat Washer 1/4", 0.56" Thick, OD 11/16" $24.88 Flat Washer, 5/16", .062" Thick, OD 7/8" $21.67 Stainless Cotter Pin 5/32" x 1-1/4" $33.25 Phillips Tapping Screw - Truss Head #8 x 1/2" $18.52 Nylon Insert Locknut - Stainless 3/4-10 $53.60