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 Stainless Cotter Pin 1/16" x 1" $17.13 Phillips Tapping Screw - Truss Head #8 x 1-1/2" $63.30 Phillips Tapping Screws - Flat Head, #14 x 3" $59.58 Stainless Countersunk Finishing Washer, #8 $14.36 Square Tapping Screw - Flat Head,#12 x 2" $49.38