Duct Support Rings Two piece split rings – Corrosion Resistant Galvanised Steel Two piece suspension ring (sold as pair). Holes suit M8 Threaded Stud Manufactured from flat steel bar. Forms a tight clamp fit over spiral duct. Galvanised steel for corrosion-resistant finish. Suitable for horizontal and vertical applications. To be used in combination with support channel and M8 threaded rod (studding). Designed to fit on the outside of spiral ducting. It is recommended to use a support every 2-3m (assuming a straight run of circular spiral duct). We also stock single point dual nut suspension rings (Single M8/M10 nut)
