Cyclone Assemblies 14 gauge-10 threads per inch x 50mm long screw full thread, B8 coating
Cyclone Assembly screws are for fastening the crest of corrugated and square rib profiles to thin metal battens and steel purlins.
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).