Online Parts Store › Phillips Machine Screw - Truss Head 1/4-20 x 1-1/2" Image 1 of 1 Phillips Machine Screw - Truss Head 1/4-20 x 1-1/2" $45.85 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Wood Screw - Flat Head, #14 x 3" $73.50 Phillips Tapping Screws - Flat Head, #12 x 2-1/2" $41.63 Stainless External Tooth Lock Washer 3/8" $34.20 Phillips Tapping Screw - Pan Head, #14 x 2" $45.91 Flat Washer, 1/4", .050" Thick, OD 1/2" (A/N Style) $11.46