Triga Z Xtrem Heavy Duty Expansion Anchor

The Triga Z Xtrem is a torque controlled, heavy duty expansion anchor for cracked and non-cracked concrete.

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  • Advantages
  • Applications
  • Versions
  • Approvals
  • Base Materials
  • Downloads
  • ETA option 1 approved expansion anchor – for cracked and non-cracked concrete.
  • Anti-rotational Z shape – ensures anchor clamping pressure and no rotation during tightening.
  • Patented  Z shape collapse system.
  • High performance, heavy duty over sized washer.
  • Balustrades
  • Fire escapes
  • Ventilation
  • Ladders
  • Channel supports
  • Shelving and racking
  • Safety barriers
  • Safety critical applications


  • Zinc plated, grade 8.8 steel


Approved for:-

  • Concrete C20/25 to C50/60 cracked and non-cracked



VersionThread diameterAnchor lengthMaximum fixture thicknessZinc plated steel
Bolt version

M6 to M2065 to 170mm1 to 55mm
Loose nut version

M6 to M2099 to 267mm25 to 100mm
Counter sunk version

M8 to M1285 to 130mm16 to 40 mm