Thiết bị kiểm tra đồng tâm, đồng trục Concentricity Gage J-40 Universal Punch
J-40 Universal Concentricity Gages is comprised of three main components for assembly. #1) selection of standard or precison accuracy, #2) selection of main rollers, #3) select any 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.