Online Parts Store › Phillips Tapping Screws - Flat Head, #10 x 1-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #10 x 1-1/2" $30.86 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Square Tapping Screw - Flat Head,#10 x 2" $31.61 Nylon Insert Locknut - Stainless 5/8-11 $35.08 Stainless Cotter Pin 1/8" x 1-1/4" $65.75 Phillips Tapping Screw - Truss Head #8 x 1-1/4" $39.30 Stainless Fender Washer 1/4", .062" Thick1/4", OD1-1/4" $59.33