Online Parts Store › Phillips Machine Screw - Flat Head, 8-32 x 1/2" Image 1 of 1 Phillips Machine Screw - Flat Head, 8-32 x 1/2" $13.92 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Flat Washer, 7/16", .062" Thick, OD 1-1/8" $27.80 Phillips Tapping Screw - Pan Head, #14 x 3" $61.60 Square Tapping Screw - Oval Head #8 x 1" $32.17 Phillips Tapping Screws - Oval Head, #10 x 1" $27.33 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26