JBO Thread Plug Gauge (NoGo) - Metric Fine is a precision measuring tool designed to check metric fine threaded holes with accuracy and confidence. Specifically calibrated for right-hand M52 x 1 threads in the 6H class, it provides a clear, reliable NoGo limit during setup and quality control. This gauge helps machinists, inspectors, and maintenance technicians verify that threaded holes meet exact standards, reducing guesswork and ensuring consistent results.

Built for durability, the gauge is made from hardened steel, delivering wear resistance and long-lasting performance in demanding workshop environments.

• Metric Fine Thread Compatibility: Calibrated for right-hand M52 x 1 metric fine threads (6H) to deliver precise NoGo checks where it matters most.
• Efficient Quality Control: Quick pass/fail verification that speeds up inspection and minimizes rework on threaded holes.
• Durable Hardened Steel Construction: Designed to withstand daily use in busy shops, maintaining accuracy and extending service life.

The JBO Metric Fine NoGo Thread Plug Gauge helps streamline setup and inspection workflows, enabling faster throughput without compromising accuracy. By providing reliable limits for hole size, it supports better part quality, reduces downtime, and gives you the confidence to move projects forward with each measurement.