Online Parts Store › Phillips Machine Screw - Oval Head, 1/4"-20 x 4" Image 1 of 1 Phillips Machine Screw - Oval Head, 1/4"-20 x 4" $55.86 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 1/8" x 1-1/2" $55.55 Stainless Fender Washer #8, .050" Thick, OD 3/4" $21.67 Carriage Bolt, 1/2"-13 x 5" $49.07 Flat Washer, #6, .032" Thick, OD 3/8" $8.19 Phillips Tapping Screws - Flat Head, #14 x 3/4" $44.09