Timco Metal Hex Self-Drilling Bi-Metal Screws, 5.5x38mm, 100 Pack
Timco hex self-drilling bi-metal screws (5.5x38mm) for roofing and light steel. No pre-drilling needed, 100 pieces.
The Timco Metal Hex Self-Drilling Bi-Metal Screws are designed for secure and efficient fastening of roofing sheets to light section steel without the need for pre-drilling. These screws feature a unique bi-metal construction, combining a hardened carbon steel drill tip with an A2-304 austenitic stainless steel body for exceptional durability and corrosion resistance, making them ideal for exterior applications.
The hex head design ensures a firm grip during installation, while the fixed washer provides added stability. With a self-drilling No.3 point, these screws simplify installation by eliminating the need for pilot holes, saving time and effort. They are capable of drilling through materials up to 5.0mm thick.
Features
- Material: Bi-metal (A2-304 stainless steel body and carbon steel tip)
- Drilling Capacity: Up to 5.0mm thickness without pre-drilling
- Hex Head Design: Ensures a secure and stable installation
- Corrosion-Resistant: Suitable for exterior use due to stainless steel composition
- Self-Drilling No.3 Point: Simplifies installation and saves time
- Fixed Washer Dia. mm: 11.00
- Socket Size: 8mm
These screws are perfect for roofing projects, providing a reliable and long-lasting hold even in demanding environments.
- Shipped within 0-2 business days
- Shipping to United States: 3-5 business days*
- Free Shipping Included
- Joining roofing sheets to light section steel
- Exterior construction projects
- Fastening metal panels
- Roofing and cladding applications
- Thread Dia.: 5.5mm
- Length: 38mm
- Head Type: Hex
- Fixed Washer Dia.: 11.00mm
- Point Type: Self-Drilling No.3
- Socket Size: 8mm
- Material: Bi-Metal/A2-304 Stainless Steel/Carbon Steel
- Effective Thread Length: 25mm
- Max. Drilling Thickness: 5.0mm
- Weight: 640g
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.
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