Online Parts Store › Phillips Machine Screw - Truss Head 1/4-20 x 1" Image 1 of 1 Phillips Machine Screw - Truss Head 1/4-20 x 1" $60.34 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #6 x 1/2" $9.26 Phillips Tapping Screws - Flat Head, #14 x 1-1/2" $28.97 Stainless Cotter Pin 5/32" x 1" $51.08 Phillips Tapping Screws - Flat Head, #8 x 1-1/4" $19.34 Phillips Tapping Screw - Pan Head, #12 x 3/4" $37.60