The JBO Thread Ring Gauge (NoGo) – Metric Fine is a precision tool for verifying external metric threads against the NoGo limit. Specifically designed for right-hand M24 x 0.5 threads in the 6g class, it helps ensure threaded components meet the exact maximum diameter allowed. Its compact ring design makes it ideal for production floors, machine shops, and inspection labs where fast, reliable checks are essential.

Designed for engineers, machinists, QA teams, buyers, and hobbyists, this gauge supports consistent thread quality and reduces the risk of non-conforming parts advancing in the workflow. By providing a clear NoGo limit for M24 x 0.5, it offers quick pass/fail guidance and helps streamline quality control across diverse applications.

• Exact NoGo limit for metric fine threads (M24 x 0.5, 6g, Right Hand): Quickly determine whether an external thread diameter exceeds the maximum limit, enabling fast pass/fail assessments and reducing rework by preventing non-conforming parts from moving to the next stage.
• Durable hardened steel construction: Built to resist wear and deformation in busy workshops, delivering long service life and consistent performance even after many inspections.
• Fast, repeatable checks with an ergonomic ring design: The ring format and clear alignment allow quick insertions and reliable identifications of non-conforming parts, improving inspection speed and reducing training time.

With the JBO NoGo Thread Ring Gauge, you gain a reliable, straightforward tool to enforce thread standards, speed up quality checks, and maintain accurate assemblies. Its robust construction and clear pass/fail guidance help you minimize downtime, reduce scrap, and keep production flowing smoothly across engineering, manufacturing, and maintenance workflows.