Hexagonal Swallowtail Self-Drilling Screws, M5.5/M6.3, Galvanized Carbon Steel Fasteners for Color Steel Tiles

These premium self-drilling screws are meticulously designed for efficient and secure fastening of color steel tiles. Constructed from galvanized carbon steel, they offer robust durability and resistance to corrosion. Available in sizes M5.5 and M6.3, they ensure compatibility with a range of installation needs. The innovative hexagonal swallowtail head design provides enhanced grip and torque during installation, making them an excellent choice for both professional builders and DIY enthusiasts. Ideal for projects requiring reliable and long-lasting attachments, these screws eliminate the need for pre-drilling, simplifying the assembly process and ensuring a seamless finish. Material Grade: Carbon steel grade 8.8 Standard No.: GB/T 5780-2016 Nail Type: Screws Manufacture country: China Instructions included: No