Online Parts Store › Phillips Machine Screw - Pan Head. 8-32 x 1/2" Image 1 of 1 Phillips Machine Screw - Pan Head. 8-32 x 1/2" $17.63 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 5/8" $24.31 Nylon Insert Locknut - Stainless 7/16-14 $21.10 Stainless Cotter Pin 5/32" x 1" $51.08 Phillips Tapping Screws - Oval Head, #12 x 3/4" $33.07 Nylon Insert Locknut - Stainless 12-24 $75.96