Online Parts Store › Phillips Machine Screw - Oval Head, 10-24 x 2-1/2" Image 1 of 1 Phillips Machine Screw - Oval Head, 10-24 x 2-1/2" $34.01 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #6 x 1" $11.21 Stainless Countersunk Finishing Washer, #10 $14.99 Stainless Cotter Pin 3/32" x 1-1/2" $56.56 Square Tapping Screw - Flat Head,#12 x 2" $49.38 Lag Screw, 3/8 x 3" $41.46