Online Parts Store › Phillips Tapping Screw - Pan Head, #8 x 5/8" Image 1 of 1 Phillips Tapping Screw - Pan Head, #8 x 5/8" $18.01 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Flat Washer, #12, .050" Thick, OD 1/2" $15.75 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26 Flat Washer, 5/8", .078" Thick, OD 1-1/2" $22.42 Phillips Tapping Screws - Oval Head, #12 x 1-1/4" $22.30 Stainless Countersunk Finishing Washer, #8 $14.36