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 Stainless Fender Washer 1/4", .062" Thick, OD 1-1/2 $103.98 Stainless Fender Washer 5/8", .109" Thick, OD 2" $37.03 Stainless Cotter Pin 5/32" x 1" $51.08 Phillips Tapping Screws - Oval Head, #10 x 2" $27.33 Stainless Cotter Pin 3/32" x 1-1/2" $56.56