Online Parts Store › Phillips Machine Screw - Truss Head 1/4-20 x 1-1/4" Image 1 of 1 Phillips Machine Screw - Truss Head 1/4-20 x 1-1/4" $24.37 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Seachoice 01009 Lock Washer, 1/4" $13.60 Flat Washer, 1/4", .050" Thick, OD 1/2" (A/N Style) $11.46 Square Tapping Screw - Oval Head #8 x 1-1/2" $54.12 Phillips Tapping Screws - Flat Head, #8 x 3/4" $12.91 Phillips Wood Screw - Flat Head, #10 x 1-1/2" $44.84