Washer head screw 8.0 x 40 mm "Panelfix" with milling ribs – ETA approval – 100 pieces

The "Panelfix" wafer head screw 8.0 x 40 mm was specially developed for vibration-proof fastening of plates and panels to solar substructures. The integrated friction element prevents self-loosening due to vibration.

Technical Data

• Dimensions: 8.0 x 40 mm
• Surface: bright zinc-plated, Cr(VI)-free
• Coating: lubricated
• Special feature: with friction element (anti-slip protection)
• Approval: ETA
• Drive: TX40
• Wafer head Ø: 20 mm
• Packaging unit: 100 pieces

Advantages at a glance

• Friction element prevents self-loosening due to vibration
• Lubricated coating facilitates screwing in
• ETA approval for standard-compliant solar mounting
• Reliable hold under dynamic loads such as wind

Area of application for solar mounting

For wind-exposed rooftop or open-field systems where vibrations could promote loosening.

Frequent questions

What does the friction element do?
Additional anti-slip protection against self-loosening due to vibration.

Is the screw ETA-approved?
Yes.