Forgefix - TechFast Roofing Sheet to Steel Hex Screw No.3 Tip 5.5 x 57mm Box 100 f

General description Forgefix TechFast Roofing Sheet to Steel Hex Screws are designed for securely attaching metal roofing panels to steel frame structures. These screws are suitable for light-duty applications and are resistant to fire and corrosion. They feature a protective Elementech coating that ensures durability and salt spray resistance tested up to 1000 hours. Technical specifications Size: 5.5 x 57mm Effective Thread Length: 43mm Head Type: 8mm Hex Pack Quantity: 100 screws Drill Tip: No.3, suitable for self-drilling in steel up to 5mm thick Compatibility and accessories Compatible with metal roofing panels and steel frames Designed for light gauge steel up to 5mm thickness Supplied without washers; washers are not included Installation Use a No.3 drill bit for self-drilling into steel Ensure the screw is aligned properly before driving to avoid damage Do not use washers unless specified separately Usage Ideal for attaching roofing sheets to steel structures in construction