TFHL5570 Hex Head Roofing Screw Self-Drill Light Section 5.5 x 70mm Pack of 50

Forgefix TechFast Hex Head Roofing Screws are designed for fixing cladding and sheet steel to light section steel purlins with thicknesses from 1.2 mm to 3.6 mm. They feature a hex head for easy installation and are self-drilling, eliminating the need for pre-drilling. Each screw includes a 16 mm rubber washer that expands under pressure to create a permanent weather seal, helping ensure outdoor durability. The screws are zinc plated and coated with Elementech, providing enhanced corrosion resistance and salt spray performance. These screws are intended for roofing, cladding, and steel construction projects, suitable for outdoor use and compatible with light section purlins in industrial settings.

Features

• Self-drilling hex head screws for steel
• Suitable for cladding to light section purlins (1.2–3.6 mm)
• 16 mm rubber washer forms weather seal
• Elementech coating with salt spray resistance up to 1000 hours
• Zinc-plated finish for outdoor durability
• Pack of 50 screws (5.5 x 70 mm), hex head 8 mm

Technical specifications

• Size: 5.5 x 70 mm
• Pack quantity: 50 screws
• Hex head size: 8 mm
• Material thickness range: 1.2–3.6 mm
• Installation: drive with compatible drill or screwdriver
• Finish: Elementech coating