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, #14 x 1" $55.11 Phillips Tapping Screw - Pan Head, #14 x 2" $45.91 Lock Washer,1/2" $24.75 Lag Screw, 3/8 x 3" $41.46 Phillips Tapping Screws - Oval Head, #10 x 3/4" $23.24