About this product

Qinglongjian Standard Hex Head Self-Drilling Screws, model 19-125, are engineered for efficient and reliable fastening applications across various industries. Their primary function is to create their own pilot hole and thread in metal, eliminating the need for pre-drilling and significantly speeding up installation processes. Key features include a robust hex head design for secure driving with standard tools and a self-drilling tip that penetrates metal with ease. These screws are available in a comprehensive length range from 19mm to 125mm, with standard diameters of 5.5mm and 6.3mm, catering to a wide spectrum of project requirements. Constructed from high-quality materials, these screws offer excellent durability and corrosion resistance, ensuring long-term performance in demanding environments. The standard finish options provide a balance of protection and aesthetic appeal. These self-drilling screws are ideal for applications in construction, metal fabrication, automotive assembly, and general manufacturing. They are specifically targeted towards importers, wholesalers, and industrial end-users seeking high-performance fastening solutions. Packaged conveniently in 20.5kg cartons, they are well-suited for bulk international trade, offering efficient logistics and handling for global buyers.