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 Phillips Tapping Screw - Pan Head, #12 x 3/4" $37.60 Square Tapping Screw - Flat Head,#10 x 2" $31.61 Phillips Tapping Screws - Oval Head, #12 x 2" $30.67 Phillips Tapping Screws - Flat Head, #8 x 1-1/4" $19.34 Phillips Tapping Screw - Pan Head, #8 x 2" $19.02