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 Self Drilling Screw - Pan Head #10 x 1" $41.63 Seachoice 01006 Lock Washer, #8 $15.43 Phillips Tapping Screws - Flat Head, #14 x 1-1/2" $28.97 Square Tapping Screw - Oval Head #8 x 1-1/2" $54.12 Phillips Tapping Screws - Flat Head, #12 x 3" $42.89