How can you eliminate pre-drilling steps and reduce assembly time in heavy steel fabrication without compromising fastener reliability?

Chan Chin C.'s Self-Drilling Screw Point No.5 with hex washer head eliminates the need for pre-drilling in heavy section steel up to 12.5mm, reducing labor costs and production time. The DIN7504K-certified design with EPDM bonded washer ensures consistent performance across your steel structure projects. Available in lengths from 38mm to 100mm with optimized engagement thread lengths for different applications. Request a technical sample and volume quotation to integrate these high-performance fasteners into your fabrication process.

As a trusted supplier to global OEM manufacturers and construction markets, Chan Chin C. delivers these high-performance drilling screws with full technical specifications and customization options. The hex washer head design provides optimal load distribution and prevents surface damage, making these fasteners ideal for metal roofing systems, steel structure assembly, and prefabricated building applications. With flexible minimum order quantities and buyer's label branding options available, we ensure reliable supply chains for your production needs. Contact our sales team today to discuss volume pricing, technical specifications, and delivery schedules tailored to your specific fastening requirements.