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 Flat Washer, 3/8", .062" Thick, OD 5/8" (A/N Style) $11.46 Phillips Tapping Screw - Truss Head #8 x 1/2" $18.52 Lock Washer, M5 $10.83 Phillips Tapping Screws - Flat Head, #6 x 1" $11.21 Stainless Cotter Pin 3/32" x 1-1/4" $54.48