The JBO Thread Plug Gauge is a precision instrument designed for inspecting metric fine threads. Specifically aligned with M6 x 0.75 and the 6H tolerance class, it uses a Go/No-Go design to quickly confirm whether internal threads in a hole meet the required size and tolerance. Designed for right-hand threads, this gauge helps ensure components assemble cleanly and reliably.

Built from hardened steel, the gauge offers long-lasting wear resistance in demanding workshop environments. The knurled body provides a secure grip for repeated use, while the Go/No-Go ends deliver consistent pass/fail feedback, making quality checks fast and straightforward.

• Go/No-Go quick verification: Enables fast pass/fail checks for hole threads, reducing inspection time and eliminating guesswork during assembly.
• Hardened steel construction: Delivers long service life and reliable performance under daily use, resisting wear and deformation.
• Metric fine thread compatibility (M6 x 0.75, 6H): Precisely matched to the spec, with right-hand direction for consistent results across parts and assemblies.

Using this gauge streamlines your quality control and assembly workflow. It helps technicians verify thread engagement on first try, reduces rework, and ensures consistent hole-to-fastener fit across batches, so you can ship reliable parts with confidence.