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 Stainless Cotter Pin 3/32" x 3/4" $22.42 Stainless Fender Washer 5/8", .109" Thick, OD 2" $37.03 Stainless Fender Washer 3/8", .078" Thick, OD 1-1/2" $54.73 Flat Washer, 7/16", .062" Thick, OD 1-1/8" $27.80 Carriage Bolt, 1/2"-13 x 4" $109.86