Online Parts Store › Phillips Machine Screw - Flat Head, 8-32 x 1-1/2" Image 1 of 1 Phillips Machine Screw - Flat Head, 8-32 x 1-1/2" $32.69 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Truss Head #8 x 1" $30.99 Nylon Insert Locknut - Stainless 5/8-11 $35.08 Nylon Flat Washer #6, 0.32" Thick, OD 3/8" $17.45 Phillips Tapping Screws - Flat Head, #6 x 3/4" $10.33 Flat Washer, #12, .050" Thick, OD 1/2" $15.75