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 Stainless Cotter Pin 3/32" x 1-1/4" $54.48 Phillips Wood Screw - Flat Head, #8 x 3/4" $43.08 Stainless Countersunk Finishing Washer, #5/16 $22.42 Phillips Tapping Screws - Flat Head, #12 x 3" $42.89 Square Tapping Screw - Oval Head #8 x 3/4" $25.25