Pk 100 Techfast 6.3 x 45mm Roofing Screws

• Roofing Screws (For Sheet to Timber).
• Washered Hex Head Screw. Steel to Timber.
• Head: Hexagon Slash Point.
• Finish: New 'Elementech' coating for superior anti-corrosion - salt spray tested to 1000 hours.
• Slash point enables improved and speedy insertion.
• 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 timber frame work.