JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M19 x 1 FMH It has a nominal size

It has a nominal size of 40

high-quality finishes on sloped surfaces

and slots with a clean finish and reliable dimensional control

less heat buildup

repeatable results in machine tooling

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M19 x 1 FMH It has a nominal sizeThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external thread diameters to metric fine standards. Specifically tuned for right hand M19 x 1 threads in the 6g tolerance class, this NoGo gauge helps machinists, inspectors, and quality teams confirm that parts meet the required size before assembly. Constructed from hardened steel, it delivers durability and reliable performance under busy shop conditions. With its precise