Roofing Screws with Hexagon Head from Cookson Hardware

A specialist range of self-drilling screws suitable for fixing roofing sheets to both light section and heavy section purlins.

• Washered Self-Drilling Screw for Steel Sheet to Steel Purlin.
• Head: Hexagon Self-Drilling.
• The 16mm rubber washer beneath the aluminium flange expands under pressure and forms a permanent weather-seal.
• Designed for fixing cladding and sheet metal to light and heavy structural purlins as used when constructing industrial units.