General description Forgefix TechFast Composite Panels to Steel Hex Screws are specifically designed for joining composite panels to steel frame buildings. They feature a No.5 drill tip for self-drilling into heavy gauge steel up to 12.5mm, ensuring a secure and efficient installation. Technical specifications Diameter: 5.5mm Length: 150mm Insulation Thickness: 57-115mm Pack Size: 100 Drill Tip: No.5 Manufacturer Part Number (MPN): TFHW19CPSD55150H EAN: 5028485196051 Usage These screws are ideal for use in construction projects involving composite panels and steel frames, providing a reliable fastening solution. Other information Supplied with 19mm EPDM rubber washers Fire and corrosion resistant, protected by Elementech corrosion resistant coating, salt spray tested to 1000 hours Complies with EU Safety, Health and Environmental requirements