Timco Metal Construction Screws, 5.5x85mm, Zinc, Self-Drilling, 100 Pieces
Timco's self-drilling screws for wood-to-steel fixing, 5.5x85mm, zinc-coated, pack of 100.
The Timco Metal Construction Timber to Heavy Section Screws are expertly engineered for attaching wood to heavy section steel with a maximum thickness of 12mm. These countersunk screws feature a unique wing-tip design that reams out timber, ensuring maximum RPM without the risk of burning out. When the wings hit the metal, they break off to allow the thread to self-tap into the metal, creating a strong and secure hold.
Key Features
- Self-Drilling Design: No pre-drilling required, saving time and effort during installation.
- Wing-Tip Technology: Breaks off upon contact with metal to enable smooth self-tapping.
- High-Quality Material: Made from case & core hardened carbon steel for durability.
- Zinc Finish: Provides corrosion resistance for extended lifespan.
- Efficient Thread: Optimised to maximise grip and reduce material strain.
Technical Specifications
- Thread Diameter: 5.5mm
- Length: 85mm
- Head Type: Countersunk with ribs
- Recess Type: Phillips
- Point Type: Self-Drilling No.5
- Finish: Zinc
- Material: Case & core hardened carbon steel
- Effective Thread Length: 51mm
- Max Drilling Thickness: 12.0mm
- Suitable Timber Thickness: 30–49mm
- Pack Quantity: 100 pieces
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Wood-to-steel construction
- Heavy-duty timber framing
- Metal roofing installations
- Structural timber joints
- Thread Dia. mm: 5.5
- Length mm: 85
- Head Type: Countersunk with Ribs
- Recess Type: Phillips
- Point Type: Self-Drilling No.5
- Finish: Zinc
- Material: Case & Core Hardened Carbon Steel
- Effective Thread Length mm: 51
- Max Drilling Thickness mm: 12.0
- To Suit Timber mm: 30 - 49
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