Online Parts Store › Phillips Tapping Screws - Flat Head, #10 x 2-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #10 x 2-1/2" $23.87 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 5/32" x 1-1/2" $64.12 Fasteners Only (Boxed) $6,706.34 Stainless Cotter Pin 1/16" x 1/2" $9.76 Stainless Cotter Pin 1/8" x 1-1/4" $65.75 Carriage Bolt, 1/2"-13 x 5" $49.07