The JBO Thread Plug Gauge is a precision tool for verifying metric fine-threaded holes. Ideal for machinists, engineers, quality teams, and workshop technicians, it delivers quick, reliable pass/fail checks to confirm hole size and pitch match components for smooth assembly.

With hardened steel construction for durability, this left-hand gauge features an M11 x 0.5 thread and 6H tolerance, providing a dependable reference for metric fine-thread applications and ensuring consistent checks in demanding production environments.

• Go/No-Go efficiency: Enables quick pass/fail checks of threaded holes, reducing inspection time and preventing assembly errors.
• Durable hardened steel construction: Delivers longevity and consistent accuracy, even with frequent use in busy workshops.
• Left-hand M11 x 0.5 with 6H tolerance: Provides precise, repeatable checks for left-handed metric fine-thread components, ensuring reliable fits.

Using the JBO Thread Plug Gauge helps streamline quality control, shorten inspection cycles, and improve assembly reliability by delivering clear, repeatable checks for metric fine-thread holes. It’s a dependable, straightforward reference you can trust across a wide range of projects and materials.