Timco Metal Heavy Duty Self-Drilling Screws 5.5x80mm, Pack of 100
Pack of 100 exterior-grade hex self-drilling screws for metal, with 500+ hour corrosion resistance for heavy construction.
Designed for professional metalwork applications, these Timco Heavy Section Screws offer exceptional performance for attaching metal to heavy section steel (up to 12mm thickness) without pre-drilling. The high-quality construction ensures reliable fastening for exterior applications where durability is critical.
Key Features
- Self-drilling point (No.5) eliminates the need for pilot holes, saving time and effort
- Hex head with fixed washer provides secure, slip-resistant fastening
- Case & core hardened carbon steel construction for maximum strength
- Exterior-grade silver organic coating withstands 500+ hours of salt-spray testing for corrosion resistance
Technical Specifications
With a thread diameter of 5.5mm and total length of 80mm, these screws feature:
- 56mm effective thread length
- 12mm fixed washer diameter
- 8mm hex socket size
- Maximum drilling capacity of 12mm through steel
Ideal for construction sites, metal roofing, steel framing and other heavy-duty applications where weather resistance and structural integrity are paramount.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- * Metal-to-metal fastening
- * Heavy steel construction
- * Exterior applications
- * Metal roofing
- * Thread Diameter: 5.5mm
- * Length: 80mm
- * Head Type: Hex
- * Washer Diameter: 12.00mm
- * Point Type: Self-Drilling No.5
- * Socket Size: 8mm
- * Finish: Silver Organic
- * Material: Hardened Carbon Steel
- * Effective Thread Length: 56mm
- * Max Drilling Thickness: 12.0mm
- * Corrosion Resistance: 500+ hours salt-spray tested
- * Quantity: 100 pieces
- * Weight: 1280g
Always follow local regulations and product guidance.
Free standard delivery on Canadian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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