Centre Boss Suspension Rings for Circular Spiral Ducting

From: £2.80

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  • Two piece centre boss suspension ring, with M08 & M10 tapped nut.
  • Used in applications where circular spiral ductwork is installed horizontally.
  • To be used in combination with support channel & requires one 8mm or 10mm threaded rod (stud).
  • Designed to fit on the outside of spiral ducting.
  • It is recommended to use a support every 3m (assuming a straight run of circular spiral duct).
  • Please select from the drop-down menus for sizes and corresponding prices.

Additional information


80mm, 100mm, 125mm, 150mm, 160mm, 180mm, 200mm, 224mm, 250mm, 280mm, 300mm, 315mm, 355mm, 400mm, 450mm