General description Forgefix TechFast Composite Roof Panel to Timber Hex Screws are designed for joining composite roof panels to timber frame buildings. These screws come with 16mm EPDM rubber washers for a secure fit and are engineered for easy installation. Technical specifications Size: 6.3 x 150mm Steel Thickness: 0.5-1.2mm Head Type: 8mm Hex Pack Size: 100 Diameter: 6.3mm Length: 150mm Manufacturer Part Number: TFHW16CPGP63150 EAN: 5028485195375 Installation No pre-drilling is required due to the self-drilling T17 gash point, allowing for rapid installation. Usage These screws are ideal for securing composite roof panels to timber structures, ensuring a strong and durable connection. Other information