The JBO Thread Ring Gauge (NoGo) - Metric Fine is a precision tool designed to quickly verify external thread diameters against a defined standard. It’s ideal for engineers, machinists, quality inspectors, and workshop personnel who need reliable, on-the-spot checks of metric fine threads.

Designed for right-hand M25 x 0.5 threads with a 6g tolerance, this NoGo gauge delivers consistent measurements in busy shops. Crafted from hardened steel, it resists wear and maintains accuracy through repeated use, while the knurled outer edge provides a secure grip and easy handling—even with gloves.

• Metric Fine NoGo for M25 x 0.5 (Right-Hand, 6g): Precisely checks external thread diameters against the NoGo limit, enabling fast, clear go/no-go decisions to keep parts within spec.
• Hardened steel construction: Delivers long-lasting wear resistance and stable measurements in demanding shop environments.
• Secure grip and quick alignment: Knurled outer edge and simple geometry support quick setup, minimal tool-switching, and repeatable results.

Using the JBO NoGo gauge streamlines thread inspection, reduces rework, and supports consistent quality across batches. Its durable build and intuitive use help teams move from inspection to actionable results quickly, improving workflow and confidence in threaded assemblies.