We are excited to introduce you to DD Fasteners' premium line of Sandwich Panel Screws, designed to excel in various applications ranging from exterior rigid insulation to metal roof and wall installations. Below are the key features, materials, and applications of our products: Performance Features: Specifically engineered for fastening sandwich panels and fixtures to 1.5-12 mm steel framing. Suitable for metal and timber substrates, offering versatile usage. Ideal for dry indoor, indoor with temporary condensation, and outdoor with low pollution environments. Ensures reliable fastenings with defined load values for enhanced structural integrity. Designed to create watertight sealed joints on façades and decking, ensuring durability and weather resistance. Material: Our Sandwich Panel Screws are crafted from a variety of high-quality materials to suit diverse needs: Carbon Steel Stainless Steel Alloy Steel Aluminium Brass Applications: Exterior rigid insulation applications Metal roof and wall applications Joining different kinds of sandwich panel-type, heavy metal for insulation Creating temperature-resistant seals to prevent heat loss and temperature gradients Specifications: Compliant with international standards such as DIN, IFI, JIS, ISO, AS, ASTM, ASME Available according to customer's specific drawings and samples Available in various gauges ranging from 4# to 18#, and sizes including 1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 2.2mm to M12 Length options range from 1/4” to 15 3/4”, or 6.5mm to 400mm, catering to different project requirements For further information or inquiries, please visit our website at https://www.ddfasteners.com/ or contact us directly at felixyung@ddfastenets.com. We look forward to serving your fastening needs with our premium quality Sandwich Panel Screws.