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 Nylon Flat Washer 1/4", 0.56" Thick, OD 11/16" $24.88 Phillips Tapping Screw - Pan Head, #14 x 1" $55.11 Stainless Cotter Pin 3/32" x 1-1/4" $54.48 Nylon Insert Locknut - Stainless 3/4-10 $53.60 Phillips Tapping Screw - Pan Head, #10 x 1-1/4" $32.56