How can you reduce roofing assembly time while ensuring weathertight, corrosion-resistant fastening performance?

Chan Chin C.'s self-drilling hex washer screws with integrated EPDM bonded washers eliminate pre-drilling requirements and provide superior sealing against water infiltration. The C-1022 stainless steel construction with plating finish resists rust and degradation in harsh weather conditions, while the hex washer head design distributes load evenly across roofing panels. Our 30+ years of manufacturing expertise ensures consistent quality that reduces callbacks and warranty claims on metal roofing projects.

Available with plating finish and branded product options with buyer's label customization, these self-drilling screws meet the stringent requirements of global OEM production and construction markets. With a minimum order of 100M units per order (USD 5,000), Chan Chin C. ensures reliable supply chains and continuous manufacturing support. Our commitment to innovation and sustainability—demonstrated through ISO 14064-1:2018 and ISO 14067 environmental certifications—guarantees that your fastening solutions meet both performance and eco-conscious manufacturing standards. Contact our international sales team today to discuss your specific fastening requirements and explore bulk ordering solutions.