The JBO Thread Plug Gauge is a precision tool designed for metric fine threads. This right-hand gauge features a 6G class and M19 x 0.75 pitch, making it ideal for inspectors, machinists, and maintenance teams who need fast, accurate checks of threaded holes.

Built for durability, it uses hardened steel to deliver long-lasting performance and wear resistance in busy workshops and production lines.

• Go/No-Go quick quality checks: Quickly verify whether a threaded hole is within tolerance, speeding up setup and reducing rework.
• Specifically tuned for metric fine threads: Engineered for metric fine threads like M19 x 0.75, ensuring precise, repeatable hole acceptance and reliable mating with components.
• Durable hardened steel construction: Built to withstand daily use in demanding environments, delivering consistent performance and long tool life.

Using the JBO Thread Plug Gauge helps you streamline inspection workflows, minimize assembly delays, and improve overall threading accuracy across parts and batches. The precise Go/No-Go evaluation paired with rugged construction gives you confidence in every measurement and a tool you can rely on day after day.