Online Parts Store › Phillips Machine Screw - Oval Head, 1/4"-20 x 1-1/2" Image 1 of 1 Phillips Machine Screw - Oval Head, 1/4"-20 x 1-1/2" $34.07 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 3" $37.54 Stainless External Tooth Lock Washer 5/16" $19.48 Phillips Tapping Screw - Pan Head, #14 x 3" $61.60 Phillips Self Drilling Screw - Pan Head #10 x 1" $41.63 Phillips Tapping Screws - Oval Head, #10 x 2-1/2" $29.85