Online Parts Store › Phillips Tapping Screws - Flat Head, #6 x 5/8" Image 1 of 1 Phillips Tapping Screws - Flat Head, #6 x 5/8" $9.57 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Blind Rivet, 1/8" x 1/4" $43.39 Nylon Insert Locknut - Stainless 12-24 $75.96 Stainless Fender Washer 1/4", .062" Thick ,OD 1" $39.24 Stainless Cotter Pin 3/32" x 1-1/4" $54.48 Phillips Tapping Screw - Pan Head, #10 x 5/8" $24.31