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 Tapping Screw - Pan Head, #14 x 3/4" $49.38 Stainless Fender Washer #8, .050" Thick, OD 3/4" $21.67 Square Tapping Screw - Flat Head,#10 x 2" $31.61 Stainless Cotter Pin 5/32" x 2" $84.08 Square Tapping Screw - Flat Head,#8 x 1-1/4" $28.68