Online Parts Store › Phillips Machine Screw - Flat Head, 10-24 x 1-1/2" Image 1 of 1 Phillips Machine Screw - Flat Head, 10-24 x 1-1/2" $41.76 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #12 x 3" $42.89 Phillips Self Drilling Screw - Pan Head #10 x 1" $41.63 Phillips Tapping Screw - Pan Head, #14 x 2" $45.91 Phillips Tapping Screws - Flat Head, #6 x 1-1/2" $16.94 Flat Washer, 5/16", .062" Thick, OD 9/16" (A/N Style) $10.20