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 Phillips Tapping Screw - Truss Head #10 x 1" $33.32 Seachoice 18-8 Stainless Steel Wing Nuts, 5/16-18 Size, Pack of 50 $101.59 Stainless Fender Washer #10, .062" Thick, OD 1" $48.06 Phillips Tapping Screw - Pan Head, #8 x 1-1/2" $25.70 Square Tapping Screw - Flat Head,#10 x 2" $31.61