OC-55/63 Self-drilling screws 5.5/6.3x230 mm with washer A19 - cardboard box - 100 pcs. | OC-55/63230A19

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The special drill bit shape designed to provide quick and trouble-free installation in metal constructions made from cold formed sections

Hardened surface of the thread (flexible core). Corrosion resistant zinc coating has a thickness of no less than 12um.
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.
The shape of the thread and its height is designed for applications into sandwich panels and steel construction.

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.
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.
The optimised drill point geometry enables efficient drilling in steel, reducing installation time and increasing assembly efficiency