Online Parts Store › Phillips Machine Screw - Flat Head, 1/4"-20 x 1" Image 1 of 1 Phillips Machine Screw - Flat Head, 1/4"-20 x 1" $50.70 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Wood Screw - Flat Head, #10 x 2" $44.47 Flat Washer, 7/16", .062" Thick, OD 1-1/8" $27.80 Phillips Tapping Screw - Truss Head #10 x 1-1/4" $50.76 Flat Washer, 5/16", .062" Thick, OD 7/8" $52.44 Stainless Cotter Pin $147.38