VORTEX Fibreglass SDM 12-14x65 HEX Class 4 Coating

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Vortex Fibreglass 12 gauge-13 threads per inch x 65mm long screw class 4 coating

Vortex Fibreglass screws have a metal drilling fibreglass for steel. Vortex Fibreglass screws are for fastening the crests of Fibreglass roof sheeting to steel purlins.

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

The Class 4 corrosion protection system meets the requirements of ISO 9223 Category 4 (Outdoor application for moderate and severe 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).