Timco Bi-Metal Hex Self-Drilling Screws 5.5x38mm (100 Pack)
High-performance Timco bi-metal self-drilling screws for metal-to-steel fixing. Corrosion-resistant & durable (100-pack).
The Timco Bi-Metal Hex Self-Drilling Screws provide exceptional performance for attaching metal to heavy section steel (up to 12mm thick) without the need for pre-drilling. These screws feature a hardened carbon steel drill tip fused onto an A2-304 austenitic stainless steel body, offering superior durability and corrosion resistance for exterior applications.
With their self-drilling No. 5 point, these hex-head screws ensure quick and easy installation, reducing labour time. The bi-metal construction combines the strength of carbon steel with the rust-resistant properties of stainless steel, making them ideal for outdoor and demanding environments.
Key Features
- Material: Bi-Metal (A2-304 Stainless Steel & Carbon Steel)
- Head Type: Hex with fixed washer (11.00mm diameter)
- Socket Size: 8mm
- Thread Dia: M5.5
- Effective Thread Length: 17mm
- Point Type: Self-Drilling No.5
Suitable for professional construction, metalwork, and industrial applications where reliability and longevity are essential. Each pack contains 100 screws for convenience.
Technical Specifications
- Metal-to-heavy steel section attachment (up to 12mm thickness)
- Construction projects
- Industrial metalwork
- Exterior applications
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- Thread Diameter: M5.5
- Length: 38mm
- Head Type: Hex with fixed washer (11.00mm diameter)
- Point Type: Self-Drilling No.5
- Socket Size: 8mm
- Material: Bi-Metal (A2-304 Stainless Steel & Carbon Steel)
- Effective Thread Length: 17mm
- Max Drilling Thickness: 12.0mm
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