Timco Zinc Helical Flat Roof Fixing, 8.0x165mm, 25 Pieces
Zinc-plated helical roof fixings for securing insulation to flat roofs. 8.0x165mm, high-tensile steel, no pre-drilling needed.
The Timco Zinc Helical Flat Roof Fixing is a hammer-driven fastener specifically designed for securing 6mm plywood composite insulation boards to flat roofing systems. Manufactured from high-tensile carbon steel with a protective zinc finish, these fixings offer exceptional durability and resistance to weathering.
One of the key advantages of these helical fixings is that they do not require pre-drilling - they twist directly into timber substrates, saving time and labour during installation. The robust zinc plating provides excellent corrosion protection, making them ideal for long-term outdoor use in roofing applications.
With a substantial 165mm length, these fixings can accommodate insulation board up to 130mm thick while maintaining the required 35mm minimum embedment depth for secure fastening. The 8.8 grade carbon steel construction ensures high tensile strength for reliable performance under load.
Key Features
- No pre-drilling required - twists directly into timber
- High-tensile 8.8 grade carbon steel construction
- Zinc-plated for corrosion resistance
- Hammer-driven installation for quick fixing
- Suitable for composite insulation boards
- Supplied in packs of 25 for convenience
These fixings represent a practical solution for roofing contractors and builders needing reliable, heavy-duty fasteners for flat roof installations.
- Flat roofing systems
- Securing composite insulation boards
- Timber-to-insulation fixing
- Structural plywood applications
- Diameter: 8.0mm
- Length: 165mm
- Head Diameter: 20.0mm
- Material: Carbon Steel
- Material Grade: 8.8
- Finish: Zinc
- Max Fixture Thickness: 130mm
- Min Embedment Depth: 35mm
- Weight: 453g
Always follow local regulations and product guidance. Use appropriate PPE.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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