Online Parts Store › Phillips Machine Screw - Oval Head, 5/16"-18 x 2" Image 1 of 1 Phillips Machine Screw - Oval Head, 5/16"-18 x 2" $45.66 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 1" $29.03 Phillips Tapping Screw - Pan Head, #8 x 3/8" $12.60 Stainless Cotter Pin 1/8" x 1-1/2" $55.55 Phillips Self Drilling Screw - Pan Head #10 x 1" $41.63 Flat Washer, #10, .050" Thick, OD 7/16 $13.35