Online Parts Store › Phillips Tapping Screws - Flat Head, #8 x 5/8" Image 1 of 1 Phillips Tapping Screws - Flat Head, #8 x 5/8" $12.41 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Seachoice 01006 Lock Washer, #8 $15.43 Stainless Countersunk Finishing Washer, #6 $13.10 Stainless Cotter Pin $147.38 Phillips Tapping Screw - Truss Head #8 x 3/4" $17.19 Phillips Tapping Screw - Pan Head, #14 x 3/4" $49.38