Online Parts Store › Phillips Machine Screw - Oval Head, 1/4"-20 x 3" Image 1 of 1 Phillips Machine Screw - Oval Head, 1/4"-20 x 3" $26.70 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 5/8" $24.31 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26 Phillips Tapping Screws - Oval Head, #12 x 1-1/4" $22.30 Seachoice 01007 Lock Washer, #10 $10.77 Phillips Tapping Screws - Flat Head, #4 x 1" $14.93