Online Parts Store › Phillips Machine Screw - Flat Head, 1/4"-20 x 1-3/4" Image 1 of 1 Phillips Machine Screw - Flat Head, 1/4"-20 x 1-3/4" $40.62 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #14 x 1" $45.79 Stainless External Tooth Lock Washer #10 $14.42 Phillips Tapping Screw - Pan Head, #14 x 3/4" $49.38 Phillips Wood Screw - Flat Head, #14 x 3" $73.50 Phillips Tapping Screw - Truss Head #10 x 3/4" $31.18