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 Screws - Flat Head, #14 x 1-3/4" $36.21 Phillips Tapping Screw - Pan Head, #8 x 1-1/4" $27.71 Flat Washer, 1/4", .050" Thick, OD 1/2" (A/N Style) $11.46 Nylon Flat Washer 5/16", 0.62" Thick, OD 7/8" $37.54 Phillips Tapping Screws - Oval Head, #10 x 1" $27.33