Looking for a reliable roofing screw that can withstand even the harshest weather conditions? Look no further than the Self Drilling Roofing Screw from Double Blue Fastener Manufacturing Co., Ltd.! As a leading manufacturer and supplier based in China, our factory produces top-quality roofing screws that are perfect for a range of applications. Whether you're installing metal roofing, siding, or general construction projects, our screws are designed to provide long-lasting durability and strength. What makes our Self Drilling Roofing Screw so special is the unique design and construction. With a sharp, self-drilling point that eliminates the need for pre-drilling, these screws are easy to install and save you valuable time on the job. Plus, their double blue coating provides added corrosion resistance, ensuring that your roof will stay secure and leak-free for years to come. Trust Double Blue Fastener Manufacturing Co., Ltd. for all your roofing screw needs. Contact us today to learn more and place your order!