How Can Self-Drilling Screws Reduce Installation Time in Metal Building Projects?
Our ST4.2 self-drilling screws eliminate pre-drilling steps, cutting installation time by up to 40% in metal building assemblies. The integrated drilling point penetrates metal sheets efficiently while the wafer head provides superior load distribution. With 30+ years of manufacturing expertise and minimum orders starting at 100M pieces, we support contractors with reliable supply and consistent quality. Contact us for technical specifications and volume pricing tailored to your project requirements.
Backed by over 30 years of manufacturing expertise and ISO 14064-1:2018 and ISO 14067 certifications, Chan Chin C. Enterprise delivers consistent quality in every self-drilling screw. Our ST4.2 model is available with a minimum order of 100M per item or USD 5,000 per order, with branded product and buyer's label options offered to support your business requirements. As a Taiwan-based industrial fastener manufacturer, we provide comprehensive technical support and reliable supply chain solutions for diverse industrial fastening applications, ensuring stable quality and long-term partnership value for OEM manufacturers, construction contractors, and distribution networks worldwide.


