Double Blue Fastener Manufacturing Co., Ltd. is a leading screw manufacturer, supplier, and factory in China. Our newest product, the Truss Head Self Drilling Screw, is the perfect solution for anyone looking for a high-quality, reliable fastener. Designed with durability in mind, our Truss Head Self Drilling Screw features a unique design that allows it to penetrate even the toughest materials with ease. This makes it ideal for use in a variety of applications, including construction, automotive repair, and more. At Double Blue Fastener Manufacturing Co., Ltd., we use only the highest quality materials and manufacturing processes to ensure that our Truss Head Self Drilling Screw meets the highest standards of quality and reliability. So whether you're a professional contractor or a DIY enthusiast, you can trust this product to get the job done right, every time. So if you're looking for a high-quality, reliable fastener that you can count on, look no further than Double Blue Fastener Manufacturing Co., Ltd. Contact us today to learn more about our Truss Head Self Drilling Screw and other great products.