The JBO Thread Ring Gauge (NoGo) is a precision tool built to verify external metric threads with confidence. Specifically configured for M13 x 0.75, right-hand threads in a 4h class, this NoGo gauge helps inspectors and machinists quickly determine if parts meet the required thread size before assembly. Designed for use in busy shops and quality labs, it supports reliable, repeatable checks across manufacturing, maintenance, and QA workflows.

Crafted from hardened steel, the gauge offers exceptional wear resistance and long-term dimensional stability. Its robust construction stands up to daily use in demanding environments, helping you reduce replacements and avoid downtime while preserving measurement accuracy through countless inspections.

• Go/NoGo quick-check for M13 x 0.75 threads: Instantly verify whether an external thread falls within tolerance, delivering a clear pass/fail result that speeds up QC and keeps production on track.
• Hardened steel construction for lasting accuracy: Durable, wear-resistant material maintains precise dimensions over time, ensuring reliable inspections even after heavy use.
• Ergonomic, user-friendly design: Easy handling with a secure grip and intuitive orientation, enabling fast, accurate checks without the need for additional tools.

Using the JBO Thread Ring Gauge (NoGo) helps standardize thread verification, reduce rework from out-of-tolerance parts, and streamline assembly and maintenance workflows. With its durable build and precise sizing, it delivers dependable results you can trust across shops, maintenance teams, and QA environments—giving you the confidence to ship components that meet exacting standards.