The JBO Thread Plug Gauge (NoGo) for Metric Fine is a precision inspection tool designed to verify threaded holes to metric fine specifications. Specifically oriented for Right Hand threads in the 6G class with M55 x 2 pitch, this gauge helps technicians, inspectors, and machinists confirm hole readiness quickly and confidently.

Made from hardened steel, the NoGo plug gauge delivers lasting durability and reliable performance in busy workshops. Its wear-resistant construction stands up to daily use, helping you maintain accurate measurements and reduce the need for frequent replacements.

• Metric Fine NoGo precision: Designed specifically for metric fine threads, this gauge provides fast, clear pass/fail verification of hole size for rapid quality checks.
• Hardened steel, wear-resistant construction: Built to endure repeated insertions and handling, maintaining accuracy and offering long service life in demanding environments.
• Right-Hand 6G sizing, M55 x 2: Standardized sizing and orientation ensure consistent, interchangeable measurements across tools, jobs, and operators.

Using this gauge helps streamline quality control and inspection workflows by delivering consistent results, reducing rework, and speeding up threaded-hole verification. Its durable construction minimizes downtime and replacement costs, while the precise metric fine sizing supports reliable assemblies in machining, maintenance, and manufacturing environments.