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 Screw - Pan Head, #8 x 1" $21.73 Phillips Tapping Screw - Pan Head, #14 x 2" $45.91 Stainless Cotter Pin 1/8" x 1" $63.67 Lock Washer, 7/16" $32.06 Phillips Tapping Screws - Oval Head, #10 x 1-3/4" $26.77