Online Parts Store › Phillips Tapping Screws - Flat Head, #4 x 1" Image 1 of 1 Phillips Tapping Screws - Flat Head, #4 x 1" $14.93 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Truss Head #8 x 1-1/4" $39.30 Flat Washer, 5/16", .062" Thick, OD 7/8" $52.44 Phillips Tapping Screw - Pan Head, #12 x 1" $40.94 Phillips Tapping Screw - Pan Head, #12 x 2" $30.36 308 Piece Stainless Steel Fastener Display $6,664.43