Universal Punch B-10/B-20/B40 Concentricity Gauge

B-10/B-20 Universal Concentricity Gages 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.