713 MA - Mechanical self-expanding chucks narrow style with sectors

Auto expanding Mechanical Chuck with sectors: this chuck is indicated for winding and unwinding of cores in steel or cartoon.

Since the chuck uses thinner sectors and not leaves, the chuck may be thinner thus allowing to be suitable where space is reduced. The expanding components, assembled with a concentric piece (cam), are brought to expansion by the rotating movement of the reel and adapting to the tension of the material.

Standard sizes available for this Model are listed below.


  • Core diameter: from 70 to 600 mm
  • Chuck length: from 15 to 50 mm
  • Expansion range: 5 mm

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