Vortex Shed 6.2mm diameter-13 threads per inch x 18mm long screw B8 coating
12 gauge Hex Head with 14 gauge Shank.
Vortex Shed screws are for heavy duty framing applications.
Vortex Screws are a universal screw for fixing to steel up to 1.5mm thick. Vortex Framing Screws are high performance, specifically developed for application in pre engineered building systems.
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).