5-20X3/8 Phillips Flat Self Tapping Screw Type B Fully Threaded 18-8 Stainless Steel (Pack Qty 5,000) BC-0506BPF188

For molded or through holes in thin metal, non-ferrous castings, plastics or resin-filled plywood Screws shall be quenched in liquid and then tempered by reheating to 650°F minimum Steel: AISI 1016 - 1024 or equivalent steel.