Online Parts Store › Phillips Machine Screw - Flat Head, 8-32 x 1/2" Image 1 of 1 Phillips Machine Screw - Flat Head, 8-32 x 1/2" $13.92 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Stainless Cotter Pin 5/32" x 1-1/2" $64.12 Square Tapping Screw - Oval Head #10 x 1-1/4" $57.05 Tee Nut - Stainless 10-24 $37.98 Phillips Tapping Screws - Oval Head, #10 x 1-1/2" $36.59 Seachoice 01013 Lock Washer, 3/8" $58.45