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J-20 Basic Concentricity Gage - 3/8" - 2" Capacity

Manufacturer: Universal Punch
Item Number: J-20

Must Select: Tolerance Grade

Must Select: 1 Set Main Rollers
starting at $775.00

J-20 Universal Concentricity Gage is comprised of three main components for assembly.

Universal’s patented Concentricity Gaging Systems offer less than 2 microns accuracy that has proven results in a variety of industrial applications. 

How To Order:

1. Select Tolerance Grade (accuracy traceable to N.I.S.T.):

  • Standard Concentricity Gage Model = 4µm (.00016”)
  • Precision Gold Gages are guaranteed better than = 2µm (.00008”)

2. Select main rollers:

  • View Roller Selection Guide
  • #110-10FP Full Plain Rollers Set
  • #110-10HP Half Plain Rollers Set
  • #110-10QP Quarter Plain Rollers Set
  • #110-10FZ Full Plain Zero Rollers Set
  • #110-10HZ Half Plain Zero Rollers Set
  • #110-10QZ Quarter Plain Zero Rollers Set
  • #110-10TZ Extra Thin Zero Rollers Set

3. Select an indicator(s) and/or other accessories

NOTE: Indicators are not included

These Gages are made to order, allow 4-6 weeks for delivery

Concentricity Gage Standard Features:

  • Adjustable multi-position top arm yoke assembly offers a variety of clamping pressures and positions to accomodate a range of part diameter sizes.
  • All Standard Indicator Carrers have fine adjustment screws that provide accurate indicator probe positioning, zeroing and provide smooth indicator movement to increase measuring performance and accuracy.
  • All gages comes standard with a manual Drive Timing Belt Pulleys System that provides a constant smooth part rotation when inspecting.
  • All carriers offer a variety of positions that move along the Z-axis of the carrier rod assembly. The carrier tilts 90 degrees to facilitate easy loading and unloading of parts.

Specifications: 

  • Diameter Capacity: 3/8" to 2" (3mm to 25mm)
  • Length Capacity: = 4" (102mm)
  • Standard Accuracy: = 4µm (.00016”)
  • Precision Accuracy: = 2µm (.00008”)
  • Gage Length: 10.5" (267mm)
  • Gage Width: 4.5" (114mm)
  • Shipping Weight: 4.9 lbs. (2.2 kg.)

Concentricity Gage Catalog