Online Parts Store › Phillips Machine Screw - Pan Head. 1/4"-20 x 1-1/2" Image 1 of 1 Phillips Machine Screw - Pan Head. 1/4"-20 x 1-1/2" $38.23 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Seachoice 18-8 Stainless Steel Wing Nuts, 5/16-18 Size, Pack of 50 $101.59 Stainless External Tooth Lock Washer #10 $14.42 Phillips Tapping Screw - Pan Head, #10 x 3/4" $32.06 Flat Washer, 3/4", .109" Thick, OD 1-7/8" $47.99 Phillips Tapping Screw - Pan Head, #12 x 3/4" $37.60