TechFast Timber to Steel Screws | 5.5 x 100mm | Winged CSK No.3 Drill Tip

Built for strength, speed, and precision, TechFast 5.5 x 100mm Timber to Steel Screws are the professional’s choice for securely fastening timber to steel frame buildings. Whether you’re working on site or in the workshop, these self-drilling, winged countersunk screws deliver clean, consistent results — with no pilot hole needed. Salt spray tested to 1000 hours and finished with corrosion-resistant Elementech coating, they’re made to perform in tough environments.

Key Features:

Perfect for Timber to Steel Fixing – Designed to join timber to light gauge steel frames (up to 5mm).

Winged, Countersunk Screws – Breakaway wings create a clearance hole through timber, then snap off upon contact with steel, ensuring perfect engagement.

Torx TX Drive – Increased power transmission and reduced cam-out.

Elementech Coated – 1,000-hour salt spray tested for fire and corrosion resistance.

Professional Grade Fixings – Trusted by installers across the UK for quality and reliability.

📦 Pack Options:

Choose the right pack size for your job:

🔹 Pack of 50 – ideal for smaller projects

🔹 Pack of 100 – best value for trade professionals

🔹 Pack of 500 – bulk buy savings for larger installations

💡 Why Choose TechFast Screws?

No pilot hole required – Save time on site with self-drilling tip.

Improved countersinking – Recessed ribs ensure a flush, professional finish every time.

Engineered wings – Prevent thread engagement in timber to reduce resistance and increase accuracy.

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Trusted by UK trades. Fire and corrosion resistant. Built for performance.