Online Parts Store › Phillips Tapping Screws - Flat Head, #10 x 5/8" Image 1 of 1 Phillips Tapping Screws - Flat Head, #10 x 5/8" $18.83 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 5/32" x 1-1/4" $33.25 Nylon Flat Washer #6, 0.32" Thick, OD 3/8" $17.45 Nylon Flat Washer #8, 0.32" Thick, OD 3/8" $16.50 Phillips Tapping Screws - Flat Head, #12 x 2-1/2" $41.63 Phillips Tapping Screws - Flat Head, #8 x 3/4" $12.91