TechFast Roof Screw Winged Csk Per 50 TimberSteel H/D 5.5x85

• Winged Roofing Screws. Timber to Steel. (For Heavy Section Purlins).
• Countersunk Head Screw. Timber to Steel Purlins.
• Head: Countersunk Torx compatible, Winged, Self-Drilling Point.
• Finish: New 'Elementech' coating for superior anti-corrosion - salt spray tested to 1000 hours.
• FOC Torx compatible bit in every pack.
• TechFast light section screw will fix timber to steel thickness between 6.0mm to 12.5mm.
• Self-drilling point enables improved and speedy insertion.
• Wings create a clearance hole in the timber which eliminates the chance of “jacking” when fixing.
• Designed specifically for fixing timber work to steel sections.