TechFast Roofing Screw Timber – Steel Heavy Section 5.5 x 60

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.