Universal Concentricity Gage

Plug gaging of holes by the GO NOGO Method

Such a gage can, in this case, rob the manufacturer of ... when concentricity is involved - alignment. Checking depth of holes To determine whether a hole is sufficient depth, a plug gage may be ... NOGO minus tolerance have become universal in American Industry and 10% of the hole tolerance - 5% at each end - is sacrificed to insure that all ...

  Universal, Gage, Concentricity