Online Parts Store › Phillips Machine Screw - Flat Head, 1/4"-20 x 1-1/4" Image 1 of 1 Phillips Machine Screw - Flat Head, 1/4"-20 x 1-1/4" $30.80 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #4 x 1" $14.93 Stainless Fender Washer 1/4", .062" Thick1/4", OD1-1/4" $59.33 Nylon Flat Washer #8, 0.32" Thick, OD 3/8" $16.50 Tee Nut - Stainless 10-24 $37.98 Phillips Tapping Screw - Truss Head #8 x 1-1/2" $63.30