Online Parts Store › Phillips Machine Screw - Flat Head, 10-24 x 3/4" Image 1 of 1 Phillips Machine Screw - Flat Head, 10-24 x 3/4" $21.04 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Fender Washer 5/16", .078" Thick, OD 1-1/2 $54.04 Seachoice 18-8 Stainless Steel Wing Nuts, 5/16-18 Size, Pack of 50 $101.59 Phillips Tapping Screws - Flat Head, #14 x 1" $45.79 Phillips Tapping Screw - Pan Head, #14 x 1-1/2" $37.79 Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26