Roofing Screws - Self Drilling

Self Drilling Roofing Screws from Cookson Hardware

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

• Washered Self-Drilling Screw for Steel Sheet to Steel Purlin.
• Hexagon or Countersunk Winged Tip Self-Drilling Screws.
• 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.