Timco Heavy Duty Self-Drilling Screws, 5.5x80mm, Zinc, 100pc
Heavy-duty self-drilling screws for metal-to-steel connections. No pre-drilling needed, zinc-coated for durability.
The Timco Heavy Duty Self-Drilling Screws are designed for robust construction applications, providing a secure and efficient fastening solution for metal-to-heavy-section-steel connections. Eliminating the need for pre-drilling, these screws feature a self-drilling No.5 point, ensuring quick and effortless installation even in tough materials up to 12mm thick.
Crafted from case & core hardened carbon steel with a zinc finish, these screws offer superior durability and corrosion resistance, making them ideal for both indoor and outdoor applications. The hex head design with an 8mm socket size ensures a firm grip during installation, while the integrated 12mm washer distributes load evenly, reducing material stress.
These screws are perfect for structural and industrial projects where reliability is critical. Their 56mm effective thread length provides excellent holding power, ensuring long-term stability even under heavy loads.
Key Specifications:
- Thread Diameter: 5.5mm
- Length: 80mm
- Head Type: Hex
- Fixed Washer Diameter: 12mm
- Point Type: Self-Drilling No.5
- Socket Size: 8mm
- Finish: Zinc
- Material: Case & Core Hardened Carbon Steel
- Effective Thread Length: 56mm
- Max Drilling Thickness: 12mm
- Attaching metal to heavy-section steel
- Structural applications
- Industrial construction
- Outdoor metalwork
- Thread Diameter: 5.5mm
- Length: 80mm
- Head Type: Hex
- Fixed Washer Diameter: 12mm
- Point Type: Self-Drilling No.5
- Socket Size: 8mm
- Finish: Zinc
- Material: Case & Core Hardened Carbon Steel
- Effective Thread Length: 56mm
- Max Drilling Thickness: 12mm
- Weight: 1280g
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