Timco hex head self-drilling screws (5.5x38mm) for roofing & light steel. Corrosion-resistant & A1 fire-rated. 100pc pack.
The Timco Hex Head Self-Drilling Screws are an essential fastening solution designed for connecting roofing sheets to light section steel without the need for pre-drilling. These screws feature a hex head for easy installation with a standard 8mm socket, and their self-drilling No. 3 point type ensures quick and efficient application.
Constructed from case & core hardened carbon steel, these screws deliver superior strength and durability. The silver organic exterior plating provides excellent corrosion resistance, enduring up to 500 hours in salt-spray tests, making them ideal for exterior use. Additionally, they are classified as Fire Classification A1, ensuring compliance with stringent safety standards.
With an effective thread length of 26mm and a maximum drilling thickness of 5.0mm, these screws offer reliable performance for light construction applications. The fixed washer (12.00mm diameter) ensures a secure and stable fit, preventing loosening over time.
Key Benefits:
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
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