Convertech
Concentrically expanding shaft ensures smooth operation and concentric rotation.

Concentrically expanding shaft:


  • 70 MM to 6" diameters
  • Face lengths to 150"
  • Adapters available to 16" diameter
  • Specific designs for wide and narrow web shafts
  • Pneumatic/mechanical, pneumatic or
    mechanical designs assure concentric rotation of core ID
  • Lug and leaf style shafts available
  • Suitable for vacuum applications

All air shafts are manufactured in the U.S.A. with the fastest lead-time in the industry - usually about two weeks.

Convertech's Pneumatic/Mechanical or Mechanical Concentric Shafts assure a smooth running core. Your core is held in place by your choice of leaf or lugs depending on the application - a truly custom shaft that fits your purpose, not someone else's.

Convertech Concentric Shafts provide exceptional concentricity and control, without a bladder.

Convertech's Concentric Shafts reduce reset time and insure concentricity by eliminating wearable and inconsistent bladder parts. The core is held in place by your choice of leaf or lugs – depending on the application. This advanced design insures a precise and concentric roll every time.

Website design and marketing by Northland Advertising