The JBO Thread Plug Gauge is a precision instrument designed for metric fine threads. It’s specifically sized for right-hand M2.2 x 0.25 holes (5H) and uses a Go/No-Go design for fast, confident inspection of threaded holes and mating parts.

• Go/No-Go quick confirmation: Quickly verify whether a threaded hole meets the 5H M2.2 x 0.25 specification, helping you approve or reject parts in seconds and reduce rework.
• Right-hand metric fine-thread compatibility: Precisely sized for common right-hand threads, ensuring straightforward insertion and reliable pass/fail results during assembly and quality checks.
• Hardened steel for lasting accuracy: Built from hardened steel to resist wear, maintain tolerance with heavy use, and withstand the demands of busy workshops.

Using the gauge streamlines quality control, delivering clear, repeatable results that improve throughput and confidence in every threaded assembly. Its durable construction and precise Go/No-Go feedback help you achieve consistent hole fits and reduce downtime across production runs.