Technofast’s revolutionary CamNut EziJac system brings an affordable and efficient solution, in a compact system which is simple, safe and easy to use.

Normally, a Bolt Tensioning tool pulls on the bolt threads protruding above the regular hex nut, which is then screwed down to retain the loads induced by hydraulic operation of the tool.  With no available thread, the CamNut performs as the connection to the bolt for the operation. Its integral collar expands to take up  the bolt’s elongation under force and retains the load when the hydraulic charging pressure is released.

How CamNut Works.

Tool Features:

  • User friendly, fast to fit & remove.
  • Requires little physical effort.
  • Quick connection from nut to Tensioner.
  • Ideal for situations with short bolt grip length.
  • Modular construction reduces overall tool weight.
  • Operating temperatures from –40 deg to +650 deg c.


  • No longer need to replace expensive studs to provide sufficient grip length.
  • Modular construction reduces overall tool weight.
  • Designed for extreme situations/adverse conditions.
  • Minimises cost.
  • Reduces downtime.
  • Achievable reliable and precise tensioning the first time.
  • User friendly to improve safety.
  • Requires little physical effort.
  • Fast to fit and remove.
  • Reduce breakdowns and damage.
  • Removes risk of strike and pinch point injuries caused by other tightening methods.

Ideal for:

  • Regular maintenance requires repeated adjustment or removal of nuts.
  • Speed of operation is essential.
  • Where bolts are of large diameter.
  • Accurate and reliable loading is required on bolting.
  • Space for tooling is restricted.
  • Simultaneous tightening of bolts is required.
  • Even joint/gasket compression is required.

Innovation solutions for your industry.

Technofast Industries is an worldwide leader and specialist in Bolt Tensioning, providing innovative and effective technical solutions along with uncomprising customer service.

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