Online Parts Store › Phillips Machine Screw - Flat Head, 10-24 x 1/2" Image 1 of 1 Phillips Machine Screw - Flat Head, 10-24 x 1/2" $19.27 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 3/32" x 1" $46.14 Phillips Tapping Screw - Pan Head, #8 x 3/8" $12.60 Phillips Tapping Screw - Pan Head, #10 x 1-1/4" $32.56 Stainless Countersunk Finishing Washer, #10 $14.99 Phillips Tapping Screws - Flat Head, #14 x 2-1/2" $57.69