JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M12 x 1 G The combination of a stub

The combination of a stub form and straight shank provides rigidity for shorter

high-quality bore finishes in demanding workshop environments

this reamer combines robust carbide tooling with predictable performance for demanding applications

Center-cutting ball nose geometry: Enables accurate plunging and smooth

repeatable bore dimensions with a durable M2 high-speed steel body

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M12 x 1 G The combination of a stubThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external metric threads. Specifically configured for metric fine threads with a right hand orientation, it helps quality teams and machinists quickly confirm whether an M12 x 1 thread meets the specified size. With its NoGo designation, the gauge is used to identify threads that are out of tolerance, preventing undersized or oversized parts from progressing in production. Crafted