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Expanding Mandrel with Integral Cylinder to Mount to Fixtures. Cartridge mandrel arbor expands to locate and grip inside diameters. They are manufactured of the highest quality steel, heat treated and precision ground.

  • Compact design requires minimum space
  • Integral actuator with internal porting eliminates the need for tubes and fittings
  • Collets can be ground for splines, threads, squares or diamonds
  • Pullback action contributes to positive location of the part against a workstop
  • Bolt hole pattern is provided to attach the workstop
  • Guaranteed repeatability within .0005" TIR

Positrol is a leading cartridge arbor manufacturer. Our cartridge arbors are available in eight sizes from stock .50" - 6.00" diameter. Specials are offered. Contact us today.