Description
5.5 x 25mm Light Duty Tech Screws with Washer – TIMCO (Pack of 100)
These 5.5 x 25mm TIMCO light duty tech screws come with a pre-attached 16mm EPDM washer, offering secure and weather-resistant performance. Designed for light section steel, they feature a coarse self-tapping thread and a corrosion-resistant silver Ruspert finish for both internal and external use.
Key Specifications:
- Size: 5.5mm x 25mm
- Head: 5.5mm with 8mm A/F hex head
- Washer: 16mm galvanised with rubber (EPDM)
- Thread: Coarse self-tapping
- Finish: Silver Ruspert (corrosion resistant)
- Max Drill Thickness: 5mm
- Max Clamping Thickness: 9mm
- Standard: BSEN ISO 9227:2006
- Use: Suitable for external & internal applications on light section steel
- Quantity: Pack of 100
Benefits:
- Quick and reliable installation with self-drilling point
- Washered head provides tight seal against weather and vibration
- Corrosion-resistant for long-term performance
- Trusted TIMCO quality for professional use
Applications:
- Fixing to light section steel (up to 5mm)
- External cladding and roofing sheets
- General construction and site work
Ordering & Delivery
✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours
Most orders arrive within 1–2 working days as standard.
Note: Heavy or bulk orders, as well as any special cut length or non-standard products, may take slightly longer to dispatch.
For bulk quantities or trade pricing, please call our team on 0121 270 8507.





