The JBO Thread Plug Gauge is a precision tool designed for metric coarse thread inspection. It helps engineers, machinists, quality inspectors, and assembly professionals quickly verify threaded holes for proper fit and function. This Right Hand, 6H gauge is configured for M2.2 x 0.45 threads and uses a straightforward go/no-go approach to confirm acceptance or rejection with confidence.

Designed for daily workshop use, the gauge features a textured knurled grip for secure handling and a hardened steel body built to endure rigorous use without losing accuracy over time.

• Go/No-Go Design for Fast, Reliable Checks: A simple pass/fail test lets you verify threaded holes quickly, reducing inspection time and avoiding misfits.
• Metric Coarse Thread Target: M2.2 x 0.45, Right-Hand, 6H: Precisely matched to standard coarse threads with a right-hand configuration and 6H tolerance for dependable fits across production runs.
• Hardened Steel Construction for Durability: Built to withstand demanding shop conditions, maintaining accuracy and extending service life.

With the JBO Thread Plug Gauge, you can streamline quality checks, reduce rework, and keep assembly lines moving. The go/no-go design provides quick, objective feedback on hole size and thread fit, while the hardened steel construction ensures lasting performance even in high-use environments. Whether you’re setting up a new process, performing incoming inspection, or confirming in-process tolerances, this gauge helps you achieve consistent results and confidence in every component.