Timco Heavy Duty Hex Self-Drilling Screws, Silver Organic, 5.5x100mm (100pc)
Heavy-duty steel screws (100pc) with self-drilling tip & corrosion-resistant coating. Ideal for metal framing & exterior use.
The Timco Heavy Duty Hex Self-Drilling Screws provide a fast, secure, and reliable solution for attaching metal to heavy section steel (up to 12mm thick) without the need for pre-drilling. These screws are designed for durability and corrosion resistance, making them ideal for exterior applications where weather resistance is essential.
Key Features:
- Self-drilling point (No.5) allows for quick and easy installation, saving time and effort.
- Partially threaded (P/T) for strong grip and secure fastening.
- Exterior-grade silver organic plating ensures corrosion resistance, enduring up to 500 hours in salt-spray conditions.
- Case & core hardened carbon steel construction delivers high shear strength and long-term reliability.
- Hex head with an integrated fixed washer (Ø12mm) prevents pull-through and improves load distribution.
- 8mm socket size for easy driving with standard hex driver bits.
Applications:
These screws are perfect for heavy-duty metal framing, steel roofing, cladding, structural attachments, and industrial projects. Use in outdoor settings where corrosion resistance is critical, ensuring a strong, lasting hold even in harsh conditions.
- Steel framing
- Metal roofs & cladding
- Structural steelwork
- Exterior constructions
- Thread Diameter: **5.5mm**
- Length: **100mm**
- Head Type: **Hex**
- Fixed Washer Diameter: **12.00mm**
- Point Type: **Self-Drilling No.5**
- Socket Size: **8mm**
- Finish: **Exterior (Silver Organic)**
- Material: **Case & Core Hardened Carbon Steel**
- Effective Thread Length: **56mm (*P/T - Partially Threaded)**
- Max Drilling Thickness: **12.0mm**
- Pack Quantity: **100 pieces**
- Weight: **1560g**
Always follow local regulations and product guidance.
Free standard delivery on Australian 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.
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 check 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.
