KEELAT 100 Pcs Self Drilling Screw 304 Stainless Steel Hexagon Head with Collar Hex Drill Tail Self Tapping Screws

Keelat. Self-drilling screws enable drilling without first creating a pilot hole. These screws are usually used to join materials like sheet metal. It speed installation by drilling, tapping, and fastening wood and metal in a single operation. 304 stainless steel has high strength and hardness, with light magnetic, it has weak corrosion resistance, not suitable to used in saltwater, while zinc plated has better corrosion resistance. Perfect for metal, wood, plastics, and other similar materials, self drilling tips avoid pre-drilling holes