Online Parts Store › Phillips Tapping Screws - Flat Head, #8 x 1-3/4" Image 1 of 1 Phillips Tapping Screws - Flat Head, #8 x 1-3/4" $16.75 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Oval Head, #10 x 1-3/4" $26.77 Square Tapping Screw - Flat Head,#8 x 1" $27.12 Nylon Insert Locknut - Stainless 10-32 $25.51 Phillips Tapping Screw - Pan Head, #10 x 1-3/4" $26.26 Phillips Tapping Screw - Pan Head, #8 x 2" $19.02