Online Parts Store › Square Tapping Screw - Flat Head,#10 x 2" Image 1 of 1 Square Tapping Screw - Flat Head,#10 x 2" $31.61 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Countersunk Finishing Washer, #6 $13.10 Phillips Tapping Screws - Flat Head, #14 x 2" $41.13 Fasteners Only (Boxed) $6,706.34 Flat Washer, #10, .050" Thick, OD 7/16 $13.35 Phillips Tapping Screws - Oval Head, #10 x 1-1/2" $36.59