Online Parts Store › Phillips Machine Screw - Truss Head 1/4-20 x 3/4" Image 1 of 1 Phillips Machine Screw - Truss Head 1/4-20 x 3/4" $57.50 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Wood Screw - Flat Head, #10 x 1-1/2" $44.84 Phillips Tapping Screws - Flat Head, #12 x 3" $42.89 Flat Washer, 3/8", .062" Thick, OD 1" $38.36 Phillips Tapping Screws - Oval Head, #10 x 5/8" $28.59 Phillips Tapping Screws - Flat Head, #6 x 5/8" $9.57