The JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to confirm external metric threads quickly and reliably. Specifically tailored for metric fine threads, this NoGo gauge checks components against the M38 x 1 standard, helping engineers, machinists, quality inspectors, and hobbyists ensure everything fits the exact specification.

• Precise NoGo verification for M38 x 1: Quickly determine whether external threads meet the metric fine standard, enabling fast pass/fail decisions and reducing inspection time.
• Hardened steel for durability: Built to resist wear in demanding workshop environments, delivering long-lasting performance and stable, repeatable measurements.
• Right-hand, 4h tolerance design: Aligns with common threading conventions for straightforward use and reliable compatibility with standard parts, minimizing inspection errors.

Designed to streamline quality control, the JBO NoGo Ring Gauge helps you identify non-conforming components at a glance, reducing downtime and rework. Its robust construction supports consistent results across batches, giving you confidence in every measurement and a smoother, more efficient workflow.