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, #14 x 3" $59.58 Lock Washer, M4 $10.20 Phillips Tapping Screw - Truss Head #8 x 1/2" $18.52 Nylon Flat Washer #8, 0.32" Thick, OD 3/8" $16.50 Phillips Tapping Screws - Flat Head, #8 x 3/4" $12.91