Timco Metal Self-Drilling Hex Screws, 5.5 x 50mm, Exterior Grade, 100-Pack
100 self-drilling hex screws (5.5x50mm) for light steel. Corrosion-resistant, A1 fire-rated, no pre-drilling needed.
The Timco Metal Construction Light Section Screws are premium-quality hex head self-drilling screws, designed for securing roofing sheets to light section steel with a maximum thickness of 5.0mm. No pre-drilling is required, making installation quick and efficient.
These screws feature an exterior plating that provides exceptional corrosion resistance, standing up to 500 hours of salt-spray testing. The A1 fire classification ensures safety in environments where fire resistance is critical. The hardened carbon steel construction guarantees durability and strength for long-lasting performance.
Each screw comes with a fixed washer (12.00mm diameter) and a No.3 self-drilling point, ensuring a smooth application and secure fastening. The 8mm socket size makes them compatible with standard tools.
Key Features:
- Corrosion-resistant coating (silver organic)
- Self-drilling point eliminates the need for pre-drilling
- Hex head for secure tightening
- A1 fire-rated for safety compliance
- Hardened carbon steel core for durability
- Ideal for roofing and light steel construction
100 screws per pack provide ample quantity for professional and DIY projects alike.
- Joining roofing sheets to light section steel
- Exterior construction applications
- Metal framing installations
- Other light steel fastening tasks
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- Thread Diameter: 5.5mm
- Length: 50mm
- Head Type: Hex
- Fixed Washer Diameter: 12.00mm
- Point Type: Self-Drilling No.3
- Socket Size: 8mm
- Finish: Exterior (Silver Organic)
- Material: Case & Core Hardened Carbon Steel
- Effective Thread Length: 38mm
- Max Drilling Thickness: 5.0mm
- Corrosion Resistance: 500 hours salt-spray rating
- Fire Classification: A1
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