OC Self-drilling screws 5.5x90 mm without washer - cardboard box - 100 pcs. | OC-55090

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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

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

The case-hardened thread ensures high cutting performance and secure anchorage in the substrate, while maintaining a ductile core. This increases resistance to dynamic loads and reduces the risk of screw fracture.