JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - No. 2 x 56 Shrink Fit Holders The combination of targeted geometry

The combination of targeted geometry

and consistently high-quality finishes across a wide range of tooling sizes

helping you achieve consistent results even in tight or cluttered workspaces

this NoGo gauge stands up to daily use in demanding settings and helps streamline QC checks by quickly flagging out-of-spec components

predictable bore geometry in through-coolant applications

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - No. 2 x 56 Shrink Fit Holders The combination of targeted geometryThe JBO Thread Ring Gauge (GO) UNC Right Hand 3A No. 2 x 56 is a precision inspection tool designed to verify external thread diameters against the Go limit. It is ideal for professionals in manufacturing, quality control, and maintenance who need fast, reliable thread verification across a range of components. Crafted for durability, this GO gauge features hardened steel construction that stands up to daily use in busy workshops, maintaining accurate