Need Self-Drilling Fasteners That Eliminate Pre-Drilling Steps in Metal Panel Assembly?
Our ST5.5 hex washer head self drilling screws are specifically engineered for metal building manufacturers who demand efficiency. The integrated drilling point penetrates metal sheets without pre-drilling, while the hex washer head provides optimal load distribution and weather sealing. With stainless steel construction and 30+ years of OEM manufacturing experience, we deliver consistent quality for high-volume production lines. Contact us to discuss your specifications and receive samples with your branded label.
As a Taiwan-based ISO-certified manufacturer, we offer branded product solutions with buyer's label options to meet your specific OEM requirements. Our self drilling screws are produced under strict quality control standards, backed by ISO 14064-1:2018 and ISO 14067 certifications demonstrating our commitment to environmental responsibility. With a minimum order of 100M per item and USD 5,000 per order, we provide scalable solutions for distributors, contractors, and manufacturers seeking long-term fastening partnerships. Contact us today to discuss your self-drilling fastener specifications and discover how our comprehensive range of industrial screws can enhance your production efficiency and project outcomes.


