Looking for reliable and high-performance fasteners for your construction needs? DD Fasteners offers the ideal solution with our Hex Washer Flange Wing Up with Washer Roofing Screws. Perfect for fastening resin tiles, fiberboard, and steel connections, these screws are designed for durability and efficiency. Applications: Securely fasten resin tiles, fiberboard, and steel connections. Ideal for connecting and fastening double base materials requiring reaming. Features: Up Wing Design: Prevents tail breaking through effective reaming. EPDM Washer: Ensures excellent waterproof performance. Wing Drill Functionality: Creates a clearance hole in wood or other soft materials, then snaps off upon contact with metal surfaces for seamless drilling. Specifications: Material: Carbon steel Drive Type: Hex Product Length: Available in 4-5/32″, 4-9/16″, 5″, 5-3/4″, and 6-1/8″ Screw Diameter: M6.3 Thread Length: Buttress Thread Point Type: Drill/Needle Finish: Zinc/Ruspert/Mechanical Galvanizing Head Type: Hex Product Standard: DIN/ANSI/BS/JIS Approvals: CE certified Get in Touch: For more information or to place an order, feel free to contact us via: WhatsApp: +852 68409292 Email: felixyung@ddfasteners.com Upgrade your fastening solutions with DD Fasteners today!