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 Flat Washer, #8, .032" Thick, OD 3/8" $5.42 Flat Washer, 1/4", .050" Thick, OD 1/2" (A/N Style) $11.46 Stainless Cotter Pin 3/32" x 3/4" $22.42 Phillips Tapping Screw - Pan Head, #12 x 2" $30.36 Phillips Tapping Screws - Flat Head, #6 x 3/8" $9.01