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.
- * 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. Use appropriate PPE.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website uses advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your cart and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
