The JBO Thread Plug Gauge (NoGo) - Metric Fine is a precision measuring tool designed to inspect metric fine threaded holes with confidence. It’s ideal for machinists, quality inspectors, maintenance teams, and fabricators who need fast, reliable hole checks during setup and quality control.

Sized for M75 x 2 right-hand threads in the 6G class, this NoGo gauge delivers durable, repeatable measurements. Crafted from hardened steel, it resists wear for long-lasting performance in demanding workshop environments. The knurled body provides a secure, easy-to-grip surface for smooth insertion and removal during inspections.

• Exact metric fine thread fit (M75 x 2, right hand, 6G): Precisely machined to the specified metric fine thread form, ensuring reliable hole verification and consistent results across parts.
• Hardened steel construction: Built to withstand daily use in busy shops, maintaining accuracy and longevity even with frequent insertions and handling.
• NoGo design for quick checks: Facilitates fast go/no-go inspections, reducing guesswork, downtime, and rework by clearly indicating whether a hole meets the required tolerance.

By providing a clear, repeatable measurement for metric fine threaded holes, the JBO Metric Fine NoGo Thread Plug Gauge helps you confirm thread quality early in the manufacturing or maintenance workflow. Its precise dimensions, rugged build, and user-friendly design support faster setups, higher first-pass acceptance, and better overall part quality.