JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - No. 2 x 64 ER Mini Collet Chucks supporting accurate assemblies in precision

supporting accurate assemblies in precision machining workflows

the JBO Thread Plug Gauge streamlines checks

designed for precise hole finishing in machining and fabrication

helping to minimize runout and maintain bore concentricity

and procurement activities

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - No. 2 x 64 ER Mini Collet Chucks supporting accurate assemblies in precisionThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external UNF threads on fasteners and machined components. This NoGo gauge is sized for Right Hand threads in the No. 2 x 64 range (2A class), making it ideal for manufacturers, inspectors, and shop floor technicians who need quick, reliable pass fail checks against Unified thread standards. UNF Right Hand NoGo Design: Provides a clear pass fail indication for external