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12 x 50 Multifix Tek Roofing Screws – Plain Roofing Screws for Metal Roofing & Cladding
The 12 x 50 Multifix Tek Roofing Screws – Plain (Unpainted) are a reliable fastening solution for securing metal roofing sheets, wall cladding, flashings and accessories to timber or light steel supports. Designed for Australian conditions, these roofing screws are commonly used for ZINCALUME® roofing, unpainted steel applications, sheds, garages, carports, patios and general roofing projects.
Manufactured for strength and durability, these tek screws feature a sharp self-drilling point for faster installation and reduced pre-drilling in suitable materials. They are suitable for fixing into timber battens or steel up to 1.5mm thick, making them a versatile choice for both DIY customers and professional roofers.
Why Choose Multifix Roofing Screws?
When installing metal roofing, choosing the right screw is critical for weather resistance, sheet retention and long-term performance. These 12g x 50mm roofing screws are designed to provide secure fixing while resisting corrosion in normal environments.
Key Benefits
✔ Plain Unpainted Finish – Ideal for ZINCALUME® roof sheets and galvanised applications
✔ B8™ Coating Protection – Added corrosion resistance for long service life
✔ Self-Drilling Tek Point – Faster installation into timber or light steel
✔ Strong Thread Grip – 13 threads per inch for dependable holding power
✔ Multi-Purpose Use – Suitable for roofing, wall cladding, flashings and fencing projects
✔ Trade & DIY Friendly – Easy to install with standard hex drive tools
Common Uses for 12 x 50 Roofing Screws
These screws are widely used across residential, rural and commercial projects, including:
- Installing corrugated roof sheets
- Fixing Trimdek® roofing sheets
- Securing wall cladding panels
- Attaching ridge capping and flashings
- Roofing repairs and replacement sheets
- Shed, pergola and carport construction
- Farm buildings and workshops
Roofing Screw Quantity Guide
As a general guide, allow approximately 6 screws per lineal metre of roofing sheet. Actual quantities depend on sheet profile, wind region, purlin spacing and project requirements.
Buying the correct quantity upfront helps reduce delays and keeps your install moving.
Installation Tips
For best results:
- Use a Hex Head Socket Bit
- Recommended drill speed: 2000–2500 RPM
- Drive screws square to the sheet
- Tighten firmly without over-compressing washers
- Follow your roofing manufacturer fixing recommendations
Order Roofing Screws Online Australia-Wide
We supply quality roofing screws online with fast delivery across Australia. Choose from convenient pack sizes of 100, 500 or 1,000 pieces to suit small repairs or full roofing jobs.
If you are ordering roof sheets, guttering or flashings, add your screws to the same order for convenience and save time sourcing materials separately.
Buy 12 x 50 Tek Screws Online Today
Need dependable screws for your next roofing project? Order 12 x 50 Multifix Tek Roofing Screws – Plain today for strong fixing performance, easy installation and fast Australia-wide delivery.
