Need Self-Drilling Screws That Penetrate Steel Without Pre-Drilling for Faster Installation?
Our ST4.8 self drilling screws with hex washer head eliminate pre-drilling steps in steel-to-steel connections, reducing installation time by up to 40%. The stainless steel construction ensures corrosion resistance for outdoor structural applications. With 30+ years of manufacturing expertise and minimum orders starting at 100M, we provide consistent quality for your large-scale construction projects. Contact us for technical specifications and volume pricing tailored to your steel structure requirements.
As a Taiwan-based industrial screw manufacturer certified under ISO 14064-1:2018 and ISO 14067 for environmental responsibility, we offer this self-drilling fastener with minimum order quantities of 100M per item and USD 5,000 per order, with branded product and buyer's label options available. Our ST4.8 drilling screws are ideal for metal roofing systems, structural steel connections, electrical enclosures, automotive components, and pre-engineered building assemblies where reliable penetration and holding power are critical. Contact our technical team today to discuss your specific fastening requirements and discover how our comprehensive range of self-drilling screws can optimize your production efficiency and assembly quality.


