DD Fasteners is proud to present our TEK-5 self-drilling tek screws, meticulously engineered for securing metal substrates ranging from 4.0mm to 12.5mm in thickness. Designed with precision and built to last, these screws offer unparalleled performance for all your roofing and exterior cladding needs. Unmatched Features: - Self-Drilling Point: Capable of drilling through up to 12.5mm steel, ensuring quick and efficient installation. - Coarse Self-Tapping Thread: Provides extreme grip and excellent pull-out resistance, guaranteeing a secure hold. - RUSPERT Coating: Our screws feature an exterior coating tested to withstand a minimum of 500 hours of salt spray, offering superior corrosion resistance. - Premium Material: Manufactured from AISI C1022 grade steel, known for its durability and strength. - Hexagon Head Drive: Designed for high torque applications with reduced risk of slip-out, making installation easier and more efficient. - Waterproof Seal: The 16mm EPDM washer creates a reliable waterproof seal, ideal for roofing panels and exterior cladding. Specifications: - **Thread Diameter:** 5.5mm - **Head Size:** 8mm Hex (5/16") - **Washer Diameter:** 16mm - **Length:** 100mm - **Effective Thread Length:** 80mm - **Recommended Drill Speed:** 1500 - 2500 rpm - **Drill Point:** TEK 5 - **Material:** AISI C1022 grade steel - **Finish:** RUSPERT 500-hour exterior coating - **Steel Thickness Compatibility:** 4.0mm - 12.5mm - **Fixing Capability:** Suitable for steel to steel applications Enhance your construction projects with the reliability and efficiency of DD Fasteners TEK-5 self-drilling tek screws. Experience the difference of premium quality and performance. Order now and secure your structures with confidence! For more information, visit our website or contact our sales team today. DD Fasteners – Building the Future, One Screw at a Time. Email: felixyung@ddfasteners.com