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 Seachoice 01531 Hex Nut, 3/8-16 $30.68 Phillips Tapping Screws - Flat Head, #12 x 3" $42.89 Flat Washer, #4, .032" Thick, OD 5/16" $6.74 Square Tapping Screw - Flat Head,#10 x 1-1/4" $48.20 Phillips Tapping Screws - Flat Head, #14 x 3" $59.58