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 Nylon Insert Locknut - Stainless 5/16-24 $46.35 Phillips Tapping Screws - Oval Head, #10 x 3" $32.37 Stainless Cotter Pin 1/16" x 1/2" $9.76 Seachoice 01008 Lock Washer, #12 $16.44 Stainless Cotter Pin 1/8" x 1-1/4" $65.75