Online Parts Store › Phillips Machine Screw - Pan Head. 1/4"-20 x 4" Image 1 of 1 Phillips Machine Screw - Pan Head. 1/4"-20 x 4" $58.13 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Truss Head #8 x 1-1/4" $39.30 Phillips Self Drilling Screw - Pan Head #10 x 1" $41.63 Phillips Tapping Screw - Truss Head #8 x 1-1/2" $63.30 Phillips Tapping Screws - Flat Head, #14 x 3/4" $44.09 Stainless External Tooth Lock Washer #10 $14.42