Online Parts Store › Phillips Machine Screw - Oval Head, 1/4"-20 x 1" Image 1 of 1 Phillips Machine Screw - Oval Head, 1/4"-20 x 1" $52.78 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 1/2" $21.73 Nylon Insert Locknut - Stainless 1/4-20 $27.84 Seachoice 01007 Lock Washer, #10 $10.77 308 Piece Stainless Steel Fastener Display $6,664.43 Phillips Tapping Screws - Flat Head, #14 x 1-1/2" $28.97