Timco Hex Head Self-Drilling Bi-Metal Screws 5.5x100mm (100pc)
Timco hex head self-drilling screws for roofing/steel - no pre-drilling needed. Bi-metal (A2-304 stainless/carbon steel) construction.
The Timco Hex Head Self-Drilling Bi-Metal Screws are designed for efficient joining of roofing sheets to light section steel up to 5.0mm thick, eliminating the need for pre-drilling. These high-performance screws combine durability and ease of use, making them ideal for exterior applications where weather resistance is essential.
Featuring a hardened carbon steel drill tip fused to an A2-304 Austenitic Stainless Steel body, these screws offer superior corrosion resistance while maintaining excellent drilling performance. The self-drilling No.3 point ensures quick penetration through metal sheets, saving time and effort during installation.
Key Features:
- Hex head design for secure tightening with an 8mm socket
- Fixed washer (11.00mm diameter) for improved load distribution and sealing
- Effective thread length of 87mm for optimal grip
- Bi-Metal construction (A2-304 Stainless Steel/Carbon Steel) balances strength and corrosion resistance
Ideal for roofing, cladding, and other light steel construction projects, these screws provide reliable fastening in demanding environments.
- Shipped within 0-2 business days
- Shipping to United States: 3-5 business days*
- Free Shipping Included
- Roofing sheet installation
- Light steel section joining
- Exterior construction projects
- Thread Diameter: 5.5mm
- Length: 100mm
- 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: 87mm
- Max Drilling Thickness: 5.0mm
Always follow local regulations and product guidance.
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.
Similar Products
You might like
