zerogage - Poly Gages Poly Gages
Zero Poly-Gage

"Poly-gage means a gage unit of many uses. It is adaptable for checking any two-point straight-line dimension.

With special gage anvils attached to this unit, it becomes possible to check long or short internal or external dimensions.

Several examples are shown on the following pages.

The versatility of this gage is enhanced by being a lightweight hand-held unit.

The proper design of gage anvils make this unit suitable to check:

  • Internal diameter
  • External diameter
  • Groove diameter
  • Groove spacing
  • Groove location
  • Length
  • Shoulder location
  • Center-distance
  • Concentricity
  • Taper
  • Roundness
  • Gear pin size
  • Spline pin size
  • Thread pitch diameter

Zero "Poly-gage" is available in four sizes as shown on the following pages.