EziTite® Head Nut

Technofast Industries have successfully developed the EziTite®  Hydraulic Head Nut System to replace standard mantle Head Nuts.

Since the development of the gyratory crusher, the quarrying industry has sought better means for effective and safely tightening mantle head nuts. Technofast Industries have successfully developed the EziTite®  hydraulic head nut system to replace standard mantle head nuts. In additions to technical and performance criteria, major considerations of the design are aimed at protection of operators from strike or shrapnel injuries commonly occurring when hammering tight the standard mantle head nut. The EziTite® features an hydraulic clamping nut with an integral sacrificial protective cover which can be constructed according to the abrasive nature of the material being crushed.

Tool Features:

  • Precise clamping forces are generated by hydraulic pressure acting on a constrained area within the EziTite® nut. Head Nuts are fitted with mechanical locking rings to retain these tensile loads.In the unlikely situation that there is a hydraulic malfunction, a simple patented breaker ring that is positioned between the lock ring and the nut body can be used to release the load on the shaft.


  • Vastly reduces downtime and maintenance problems.
  • Improves productivity.
  • Greatly enhances tool life.
  • Repeatable accuracy of the tensioning operation reduces product variation.
  • Achieves faster throughout without compromising product quality.
  • Minimises risk of personal injury and collateral damage to capital equipment during blade and tool changes.
  • Threaded locking collar counteracts loosening forces of impact on rotating shafts.
  • Requires low level of skill for operation.

Ideal for:

  • Mantle Head Nut; Gyratory Crushers.

See a successful installation completed by Minprovise International.

Technofast Industries  complete a large scope of works with Terex Jaques for all their crusher units; such as the Cedarapids Classic LJay54” Crusher.

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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