Online Parts Store › Phillips Machine Screw - Flat Head, 1/4"-20 x 1-1/4" Image 1 of 1 Phillips Machine Screw - Flat Head, 1/4"-20 x 1-1/4" $30.80 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Square Tapping Screw - Flat Head,#10 x 1-1/4" $48.20 Stainless Cotter Pin 5/32" x 1-1/4" $33.25 Phillips Tapping Screw - Pan Head, #10 x 1" $29.03 Phillips Tapping Screw - Truss Head #8 x 1" $30.99 Stainless Cotter Pin 5/32" x 1" $51.08