Vortex Stud 4.2mm diameter-18 threads per inch x 12mm long screw class 3 coating
Vortex Stud screws have an ultra flat head for fastening thin metal studs where a very low profile head is required.
Vortex Screws are a universal screw for fixing to timber and steel up to 1.5mm thick. Vortex framing screws are high performance, specifically developed for application in pre engineered building systems.
The Class 3 corrosion protection system meets the requirements of ISO 9223 Category 3 (Outdoor application for mild and moderate 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).
