The JBO Thread Ring Gauge (NoGo) – Metric Fine – Right Hand – 6h – M40 x 2 is a precision inspection tool designed to verify external thread diameters on fasteners, fittings, and machined components. It’s ideal for engineers, quality teams, machinists, buyers, and technicians who need reliable, quick checks to confirm parts meet exact specifications.

Built for durability and long-lasting performance, this NoGo gauge is crafted from hardened steel to resist wear in demanding workshop environments. Its right-hand, metric-fine design targets M40 x 2 threads, helping you quickly identify non-conforming components during assembly, inspection, or routine quality control.

• Robust hardened steel construction: Delivers sustained accuracy and wear resistance in busy shop environments, reducing replacement needs and downtime.
• Metric Fine NoGo gauge for M40 x 2 right-hand threads: Provides clear pass/fail checks to ensure external threads meet exact size and pitch requirements, improving inspection consistency.
• Ergonomic, user‑friendly design: Features a knurled edge for secure handling and a visible orientation cue to speed setup and reduce handling errors.

Together, these qualities help you streamline quality control, speed up threaded-component inspections, and achieve reliable, repeatable results across production and maintenance workflows. The gauge supports confidence in your tolerances, minimizes rework, and ensures components fit properly in mating assemblies.