R-ONR-55/63 Self-drilling screws for fixing sandwich panels to steel construction up to 12 mm, zinc-flake 6.3/5.5x121 mm with washer A19 RAL 9007 - cardboard box - 100 pcs. | R-ONR-55/631219007

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Special zinc flake corrosion-resistant coating for highly effective protection

Drilling point - especially approach angle of self-drilling tip allows direct installation without predrilling up to 12mm.
The self-vulcanizing EPDM sealing washer is resistant to UV radiation, ageing, and temperature fluctuations. It guarantees long-term watertightness and protects the joint against water ingress.
The shape of the thread and its height is designed for applications into sandwich panels and steel construction.

Screws available with a coloured polyester coating (RAL) provide additional corrosion protection and ensure aesthetic matching with roofing or façade cladding. UV stabilisers guarantee long-term colour durability and resistance to fading throughout the service life.
Two types of threads: one designed for mounting into a steel structure, second under head thread, prevents external panel dents and helps to seal the connection.
Hardened screw's thread surface. High quality anti-corrosion coating guarantees resistance of 15 Kesternich cycles.