Double Blue Fastener Manufacturing Co., Ltd. is a leading manufacturer and supplier of high-quality self drilling bolts in China. As a factory that produces top-of-the-line construction fasteners, we understand the importance of using durable and reliable materials for any project. Our self drilling bolts are specifically designed to make installation quicker and easier, saving you time and money in the long run. Our self drilling bolts are made of high-strength carbon steel and are coated with a rust-resistant finish that ensures a longer life span. These bolts are versatile and can be used for a variety of applications, including residential and commercial construction, roofing, and bridge construction. At Double Blue Fastener Manufacturing Co., Ltd., we pride ourselves on providing our customers with exceptional quality self drilling bolts that meet industry standards. We guarantee that our products will exceed your expectations in terms of quality, pricing, and on-time delivery. Contact us today to learn more about our self drilling bolts and other construction fasteners.