
Fasto Fastener Stainless Steel Roofing Painted Screws Tek Self Drilling Screw. Customizable Colors: Available in Yellow, White, Blue, Black, and Silver. Diverse Surface Treatments: Options include Black Oxide, Zinc Plated, and Zinc-Aluminum Coated. Multiple Head Styles: Offering Pan, Truss, Flat, Round, Hex, Cheese, Binding, and Csk heads. Free Samples Available: Free samples provided with quantity not exceeding 20 pieces. 22 Years Experience: Specialized in fasteners with over two decades of production and export. Direct Manufacturer: Operating two factories in Ningbo and Tianjin with professional sales team. Flexible Delivery Time: Generally 7-15 days depending on order quantity. Customized Sizes: MOQ and dimensions adjusted according to customer requirements.