The JBO Thread Plug Gauge (NoGo) - Metric Fine is a precision inspection tool designed to verify threaded holes with metric fine threads quickly and reliably. This NoGo gauge is tailored for right-hand metric fine threads and 6H tolerance, sized for M122 x 2 holes, making it an essential instrument for quality control, machining, and assembly environments.

• Precisely tailored for metric fine threads: Specifically designed to verify metric fine hole sizes, enabling fast, accurate pass/fail checks and consistent results across inspections.
• Hardened steel construction: Built to resist wear and maintain accuracy through heavy use, delivering long service life in demanding workshops.
• Right‑Hand orientation with 6H tolerance: Aligns with standard hole threads for dependable measurements and reduced rework across production runs.

Using the JBO Thread Plug Gauge (NoGo) helps you streamline quality checks, cut downtime, and ensure threaded holes meet exact standards. Its durable build and precise sizing translate to repeatable measurements, faster setups, and stronger confidence in every inspection.