Online Parts Store › Phillips Machine Screw - Oval Head, 1/4"-20 x 1" Image 1 of 1 Phillips Machine Screw - Oval Head, 1/4"-20 x 1" $52.78 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless External Tooth Lock Washer 5/16" $19.48 Carriage Bolt, 1/2"-13 x 5" $49.07 Nylon Insert Locknut - Stainless 7/16-14 $21.10 Phillips Tapping Screw - Truss Head #8 x 1" $30.99 Flat Washer, #10, .050" Thick, OD 7/16 $13.35