TechFast Hex/Washer Self Drilling Roof Screw 5.5 x 70mm

Perfect for light-duty sheet to steel fixings, these TechFast roofing screws are self-drilling with a hex/flange head and 16mm rubber washers. The washers expand under pressure to form a permanent weather seal.

• Roofing screws for fixing sheets to steel
• Self-drilling screws with hex/flange head and EPDM washers
• No.3 drill tip for self-drilling in light gauge steel up to 5mm
• 16mm rubber washer creates a permanent weather seal
• Elementech corrosion-resistant coating for durability
• Salt spray-tested to 1,000 hours