The JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads, helping you verify thread holes and mating components quickly and reliably.

In a Right Hand configuration with 6H tolerance for M8 x 0.5, this Go/No-Go gauge delivers fast, repeatable checks that support machining, assembly, and maintenance tasks across teams.

• Go/No-Go quick checks: Instantly determine whether a threaded hole is within tolerance, reducing inspection time and eliminating guesswork without sacrificing accuracy.
• Metric fine-thread compatibility: Precisely sized for M8 x 0.5 right-hand threads, ensuring you test the exact fit used in production and avoiding misreads during assembly.
• Hardened steel construction: Built to endure daily use, resisting wear and preserving measurement integrity for long-lasting, reliable performance.

Using this gauge streamlines quality control, shortens setup and inspection cycles, and helps ensure consistent thread engagement across parts and assemblies. It adds confidence to your workflow by delivering dependable results that you can trust in busy shop environments.