The JBO Thread Plug Gauge (GO) - Metric Fine is a precision tool designed to quickly verify internal threads in drilled holes. It’s ideal for engineers, machinists, quality-control teams, and maintenance professionals who need fast, reliable go checks to ensure holes meet the M76 x 2 metric fine thread standard with a right-hand orientation, 6G tolerance.

Made from hardened steel, this GO gauge resists wear for long-lasting accuracy even in busy workshop environments. The knurled, easy-grip body provides confident handling, while the clearly defined GO dimension lets you identify properly threaded holes at a glance, speeding up inspections and reducing guesswork.

• Durable hardened steel construction: Built to resist wear in demanding shop conditions, keeping measurements accurate over many cycles of use.
• Metric Fine M76 x 2, 6G, right-hand specification: Precisely matches the target internal thread size and class, enabling dependable go checks and consistent results.
• User-friendly GO gauge design: Simple to use with clear go criteria, helping you complete quality checks quickly and confidently with minimal training.

Used correctly, this gauge enhances quality control by delivering fast, repeatable verification of threaded holes. It helps streamline workflows, reduce inspection time, and minimize rework, contributing to higher throughput and consistently reliable assemblies.