Online Parts Store › Phillips Machine Screw - Truss Head 1/4-20 x 1-1/4" Image 1 of 1 Phillips Machine Screw - Truss Head 1/4-20 x 1-1/4" $24.37 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 1/2" $21.73 Flat Washer, 5/16", .062" Thick, OD 9/16" (A/N Style) $10.20 Phillips Tapping Screw - Pan Head, #10 x 2" $24.88 Stainless Fender Washer 3/8", .078" Thick, OD 1-1/2" $54.73 Blind Rivet, 1/8" x 1/4" $43.39