KK1-20 Concentricity Gage is comprised of three main components for assembly. #1) selection of standard or precison accuracy, #2) selection of main rollers, #3) select an indicator(s) and/or other accessories. There are two classifications calibrated and directly traceable to (N.I.S.T.), Standard Black Gages are guaranteed to be better than ≤ 4µm (.00016") accuracy. Precision Gold Gages are guaranteed better than ≤ 2µm (.00008”) accuracy.

#KK1-20 Standard Concentricity Gage Model
#KK1-20P Precision Concentricity Gage Model

Gage Specifications:

Diameter Capacity: 3/8" to 2" (10mm to 50mm)
Length Capacity: ≤ 6" (152mm)
Standard Accuracy: ≤ 4µm (.00016”)
Precision Accuracy: ≤ 2µm (.00008”)
Gage Length: 12.5" (318mm)
Gage Width: 4.5" (114mm)
Shipping Weight: 6.4 lbs. (2.9 kg.)

Main Roller Selection 

#120-20FP Full Plain Rollers Set 

*Thread Mandrel Rollers are custom manufactured to part specifications and must be quoted accordingly.

#120-20HP Half Plain Rollers Set 
#120-20QP Quarter Plain Rollers Set 
#120-20TM *Thread Mandrel Rollers Set (special order)