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 Phillips Tapping Screw - Truss Head #8 x 1-1/4" $39.30 Phillips Tapping Screw - Pan Head, #12 x 1" $40.94 Seachoice 18-8 Stainless Steel Wing Nuts, 5/16-18 Size, Pack of 50 $101.59 Stainless Fender Washer #8, .050" Thick, OD 3/4" $21.67 Phillips Tapping Screws - Flat Head, #14 x 3/4" $44.09