TechFast Roof Screw Hex/Washer Per 100 S/D Stitching 6.3x22

• Roofing Stitching Screws (For Sheet to Sheet).
• Washered Hex Head Screw. Steel Sheet to Steel Sheet.
• Head: Hexagon with Self-Drilling Point.
• Finish: New 'Elementech' coating for superior anti-corrosion - salt spray tested to 1000 hours.
• Self-drilling point enables improved and speedy insertion when joining sheets.
• Designed specifically for joining cladding sheets together.
• Can join up to three sheets of 0.7mm thickness.
• The 16mm rubber washer beneath the aluminium flange expands under pressure and forms a permanent weather-seal.