The JBO Thread Plug Gauge (NoGo) – Metric Fine is a precision measuring tool designed to verify metric fine threaded holes. Built for engineers, machinists, quality inspectors, and workshop technicians, it provides a quick, reliable Go/NoGo check to confirm hole size and thread fit. With its right-hand orientation and M56 x 2 fine pitch, this gauge helps ensure components assemble correctly and meet tight specifications.

• Metric Fine NoGo design: Delivers clear pass/fail verification for M56 x 2 holes with 6H tolerance, enabling fast, confident quality checks.
• Hardened steel durability: Built to resist wear and maintain precise dimensions in busy shops and demanding environments, ensuring long service life.
• User-friendly, ergonomic build: Knurled body and compact, right-hand design allow easy handling and quick inspections, even with gloves on.

Used effectively in production, maintenance, and quality control workflows, this gauge helps you speed up inspections, reduce rework, and achieve consistent thread quality across parts. Its robust construction and precise sizing support reliable measurements that you can trust for daily use in the workshop.