Timco 5.5x85mm Timber to Metal Screws, Self-Drilling, 100-Pack
Self-drilling screws for wood-to-metal (5mm max). Corrosion-resistant, hardened steel. 100 pieces. Ideal for outdoor use.
The Timco 5.5x85mm Timber to Metal Screws are engineered for secure and efficient fastening of wood to light metal sections (max. 5mm thickness). Featuring a coarse self-tapping thread with wing-tip design, these screws ream out the timber, allowing them to achieve maximum RPM without burning out. The wings break off upon contact with the metal, enabling the thread to self-tap smoothly.
Key Features:
- Durable Exterior Coating: Silver organic plating provides excellent corrosion resistance, enduring up to 500 hours in salt-spray tests—ideal for outdoor applications.
- Hardened Carbon Steel Construction: Case and core hardened for superior strength and durability.
- Efficient Design: Countersunk head with ribs ensures a flush finish, while the No.3 self-drilling point eliminates the need for pre-drilling.
- Versatile Compatibility: Suitable for timber sections between 44mm and 63mm in thickness.
Specifications:
- Thread Diameter: 5.5mm
- Total Length: 85mm
- Effective Thread Length: 61mm
- Max Drilling Thickness (Metal): 5.0mm
- Head Type: Countersunk with ribs
- Recess Type: Phillips
- Finish: Silver Organic (exterior-grade)
Perfect for fencing, decking, cladding, and other outdoor projects where wood-to-metal fixation is required.
- Wood-to-metal fastening in fencing
- Decking installations
- Cladding or siding projects
- Outdoor structural assemblies
- Thread Diameter: 5.5mm
- Length: 85mm
- Head Type: Countersunk with ribs
- Recess Type: Phillips
- Point Type: Self-Drilling No.3
- Finish: Exterior (Silver Organic)
- Material: Hardened Carbon Steel (case & core)
- Effective Thread Length: 61mm
- Max Drilling Thickness (Metal): 5.0mm
- Suitable Timber Thickness: 44–63mm
Always follow local regulations and product guidance.
Free standard delivery on UK 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.
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