Rag Bolts/Cages

Tri Underground stock and supply pre‐fabricated galvanized steel cages for mounting Streetlights, Masts and Traffic Signals. Products are manufactured to Queensland Main Roads, Energex, RTA (NSW), Ergon and Brisbane City Council specifications.


  • Hot Dip Galvanised to AS/NZS 4680 Standard
  • Pre‐threaded with nuts and washers

Common Ragbolts/Cages supplied include:

  • 3 Bolt 350 PCD Triangular in 1m length
  • 4 Bolt 350 PCD in 0.5m, 1m, 2m, 2.25m, 2.5m and 3m Lengths
  • 4 Bolt 500 PCD in 2m lengths
  • 8 Bolt 380 PCD in 2m, 2.1m, and 2.6m lengths

Custom Ragbolts can be manufactured for specific applications.