The JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. Its Go/No-Go design lets you quickly verify threaded holes for correct size and fit, helping you speed up setup, reduce rework, and ensure consistent assembly quality. Suitable for engineers, machinists, quality control teams, and workshop technicians, it delivers reliable results in tight-tolerance environments.

Designed for Right Hand use with a 5H tolerance and M1.2 x 0.2 thread, this gauge combines accuracy with durability. The hardened steel construction resists wear through daily use, while the knurled body provides a secure grip for confident, repeatable checks even when wearing gloves.

• Go/No-Go quick verification: Delivers an immediate pass/fail result for metric fine threads, speeding setup and QA while reducing guesswork.
• Rugged hardened steel construction: Built to last, resisting wear and maintaining accuracy across thousands of inspections in busy shop environments.
• Ergonomic knurled grip with right-hand orientation: Ensures secure handling and precise alignment for reliable, repeatable measurements.

Using the JBO Thread Plug Gauge helps streamline your quality checks, shorten inspection times, and improve overall threading accuracy in your production workflow. It’s a dependable tool that supports consistent results for M1.2 x 0.2 fine-thread applications, giving you confidence from first part to last.