VORTEX Roof 6.2-13x50+SEAL B8 Coating

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Vortex Roof 6.2mm diameter-13 threads per inch x 50mm long screw + seal B8 coating

Vortex Roof screws are for fastening the crest of roof sheeting to thin metal battens, steel purlins or timber.

Vortex Screws are a universal screw for fixing to timber and steel up to 1.5mm thick.

The B8 corrosion protection system exceeds the requirements of ISO 9223 Category 4 (Severe industrial and severe marine environments).

AS 3566.2 (Self drilling screws for the building & construction industries) specifies the corrosion protection systems required on screw fasteners Classes 1, 2, 3 & 4 where Class 1 is intended for indoor application and Class 4 for environments up to and including ISO 9223 Category 4 (Severe industrial and severe marine environments).