Directly Sale Truss Head Self Drilling Screw

Directly Sale Truss Head Self Drilling Screw. Drill Tail Design: Front end includes drill bit for direct drilling and tapping without pre-drilling. Integrated Washer: Head features built-in washer to increase contact area and prevent loosening. Self-Tapping Function: Automatically taps threads on material, simplifying installation steps. High Hardness Material: Made of high carbon steel or stainless steel for strength and corrosion resistance. Multi-Standard Production: Produced according to national, German, American, and Japanese standards. Large Annual Output: Annual production capacity reaches nearly 8,000 tons with advanced equipment. Customized Options: Product shape and specifications are fully customizable to client needs. Global Export Experience: Products exported to Southeast Asia, South America, Middle East, and EU.