Double Blue Fastener Manufacturing Co., Ltd. is a leading manufacturer, supplier, and factory of self-drilling masonry screws in China. Our self-drilling masonry screws are specially designed to provide a quick and efficient fastening solution for a wide range of applications, including concrete, brick, and stone. Our self-drilling masonry screws are made with high-quality material that offers superior durability and reliability. Each screw is designed with special features that allow for easy installation and strong holding power, even in tough conditions. One of the benefits of our self-drilling masonry screws is that they eliminate the need for pre-drilling or tapping, saving you time and money. Plus, our screws are available in various sizes and finishes, offering you a range of options to suit your specific application needs. At Double Blue Fastener Manufacturing Co., Ltd., we take pride in providing top-quality products and exceptional customer service. Contact us today to learn more about our self-drilling masonry screws and place your order.