Our factory produces high-quality Hex Flange Head Self Drilling Screws suitable for many applications. Our screws are made of premium grade materials, and designed to provide a reliable and long-lasting connection. Our Hex Flange Head Self Drilling Screws are coated to prevent corrosion and are self drilling, making them incredibly easy to install. Our screws are available in a variety of sizes and finishes, including zinc, black oxide, and nickel plated. They are perfect for use in the construction industry, roofing and siding installation, or for general DIY projects. At our factory, we prioritize quality and customer satisfaction, and we are committed to producing the best products for all your fastening needs.