K1-40 Concentricity Gage is comprised of three main components for assembly. #1) selection of main rollers, #2) select an indicator(s) and/or other accessories. Standard Black Gages are guaranteed to be better than ≤ 4µm (.00016") accuracy with calibration certification directly traceable to N.I.S.T.

#K1-40 Standard Concentricity Gage Model

Gage Specifications:

Diameter Capacity: 3/4" to 4" (20mm to 102mm)
Length Capacity: ≤ 8" (203mm)
Standard Accuracy: ≤ 4µm (.00016”)
Gage Length: 14.5" (368mm)
Gage Width: 6" (152mm)
Shipping Weight: 11.2 lbs. (5.1 kg.)

Main Roller Selection 

#140-40FP Full Plain Rollers Set 

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

#140-40HP Half Plain Rollers Set 
#140-40QP Quarter Plain Rollers Set 
#140-40TM *Thread Mandrel Rollers Set (special order)