Online Parts Store › Phillips Machine Screw - Flat Head, 1/4"-20 x 2" Image 1 of 1 Phillips Machine Screw - Flat Head, 1/4"-20 x 2" $40.69 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Nylon Flat Washer #8, 0.32" Thick, OD 3/8" $16.50 Phillips Tapping Screws - Oval Head, #12 x 2-1/2" $39.93 Flat Washer, 1/2", .078" Thick, OD 1-1/4" $38.42 Phillips Tapping Screws - Oval Head, #12 x 1-1/4" $22.30 Phillips Wood Screw - Flat Head, #8 x 1-1/2" $81.56