Online Parts Store › Phillips Machine Screw - Oval Head, 1/4"-20 x 6" Image 1 of 1 Phillips Machine Screw - Oval Head, 1/4"-20 x 6" $47.93 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #8 x 1/2" $13.86 Phillips Self Drilling Screw - Pan Head #10 x 1-1/4" $37.54 Phillips Tapping Screws - Flat Head, #14 x 1" $45.79 Flat Washer, 5/8", .078" Thick, OD 1-1/2" $22.42 Tee Nut - Stainless 10-24 $37.98