Techfast Hex/Washer Self Drilling Roofing Screw 5.5 x 32 - Pack of 100

Perfect for fixing cladding and sheet metal to light section purlins, 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 light section purlins
• Self-drilling screws with hex/flange head and EPDM washers
• Fixes material to purlins between 1.2mm to 3.6mm
• 16mm rubber washer creates a permanent weather seal
• Elementech corrosion-resistant coating for durability
• Salt spray-tested to 1,000 hours