Online Parts Store › Phillips Tapping Screws - Flat Head, #8 x 1-1/2" Image 1 of 1 Phillips Tapping Screws - Flat Head, #8 x 1-1/2" $23.56 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Nylon Insert Locknut - Stainless 5/8-11 $35.08 Phillips Tapping Screws - Oval Head, #12 x 2" $30.67 Phillips Tapping Screws - Flat Head, #8 x 3/8" $11.90 Square Tapping Screw - Oval Head #8 x 3/4" $25.25 Stainless Cotter Pin $169.61