Timco Heavy Section Screws, Hex Head, 5.5x38mm, 100pc Pack
Timco 5.5x38mm heavy-duty self-drilling screws for metal-to-steel installations, with EPDM washer. No pre-drilling needed.
The Timco Heavy Section Screws are engineered for attaching metal to heavy section steel (up to 12mm thickness) without requiring pre-drilling. These screws combine strength and durability, making them ideal for exterior applications where robust fastening is essential.
Constructed with a bi-metal design, these screws feature a hardened carbon steel drill tip fused to an A2-304 Austenitic Stainless Steel body, ensuring excellent corrosion resistance and long-term performance. The self-drilling No.5 point enables quick and efficient installation, while the hex head with a fixed EPDM washer (11.00mm diameter) provides a secure and weatherproof seal.
Key Features
- Material: Bi-Metal (A2-304 Stainless Steel / Carbon Steel)
- Head Type: Hex
- Socket Size: 8mm
- Thread Diameter: M5.5
- Length: 38mm
- Effective Thread Length: 14mm
- Max Drilling Thickness: 12.0mm
Ideal for construction, roofing, cladding, and outdoor metalwork projects, these screws provide reliable fastening in challenging conditions. Their corrosion-resistant properties make them suitable for exterior use, while the self-drilling capability reduces installation time significantly.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Attaching metal to heavy section steel (≤12mm)
- Roofing installations
- Cladding applications
- Outdoor construction
- Material: Bi-Metal (A2-304 Stainless Steel & Carbon Steel)
- Thread Diameter: M5.5
- Length: 38mm
- Head Type: Hex
- Washer Diameter: 11.00mm
- Washer Material: EPDM
- Point Type: Self-Drilling No.5
- Socket Size: 8mm
- Effective Thread Length: 14mm
- Max Drilling Thickness: 12.0mm
- Number of Pieces: 100
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