Timco Hex Head Self-Drilling Screws 5.5x50mm with EPDM Washer (100pk)
Timco bi-metal self-drilling screws with EPDM washer for roofing and steel construction. 5.5x50mm, hex head, A2-304 stainless steel (100pc).
Timco Hex Head Self-Drilling Screws provide a reliable fastening solution for joining roofing sheets to light section steel without the need for pre-drilling. The bi-metal construction combines a hardened carbon steel drill tip fused to an A2-304 Austenitic Stainless Steel body, offering superior durability and corrosion resistance, making them ideal for exterior applications.
These screws feature an integral EPDM washer to create a weatherproof seal, protecting against water ingress. The self-drilling No.3 point type ensures quick and easy installation into materials up to 5.0mm thick, while the 8mm hex head provides excellent torque transfer for secure fastening.
Key Features:
- Material: A2-304 Stainless Steel / Carbon Steel (bi-metal)
- Drilling Thickness: Up to 5.0mm
- Weatherproof Seal: Integrated EPDM washer
- Quick Installation: Self-drilling No.3 point eliminates pre-drilling
- Secure Fit: Hex head design for optimal torque transfer
Suited for roofing, cladding, and light structural steelwork, these screws ensure a strong and long-lasting connection in demanding exterior conditions.
Technical Specifications
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Roofing sheet installation
- Light section steel construction
- Cladding applications
- Exterior metal structures
- Ask Claude, ChatGPT or Perplexity to find the right tool, with our live prices and stock.
- Get a ready-made basket: one link puts everything in your basket here.
- You always pay securely here: your assistant never sees your card.
- Thread Diameter: 5.5mm
- Length: 50mm
- Head Type: Hex
- Fixed Washer Diameter: 11.00mm
- Point Type: Self-Drilling No.3
- Socket Size: 8mm
- Material: Bi-Metal (A2-304 Stainless Steel / Carbon Steel)
- Effective Thread Length: 34mm
- Max Drilling Thickness: 5.0mm
- Corrosion Resistance: A2-304 Stainless Steel body
- Washer Material: EPDM (weatherproof seal)
- Pack Quantity: 100 pieces
- Weight: 980g
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.
View Full Delivery & Returns PolicySecure Transactions
We take 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.
Similar Products
You might like
