JBO Thread Plug Gauge is a precision Go/No-Go inspection tool designed for metric fine threads. Built for M26 x 1 right-hand threads with a 4H tolerance, this gauge helps you quickly verify threaded holes to ensure flawless mating with fasteners and components. Its Go/No-Go design provides a clear, fast pass/fail assessment, making it ideal for quality control, manufacturing, and maintenance environments where consistent thread engagement matters.

• Go/No-Go Quick Checks: Instantly determine whether a hole meets spec with a simple pass or fail, accelerating inspection and reducing downtime.
• Metric Fine Thread Precision: Specifically sized for M26 x 1 right-hand threads with 4H tolerance, delivering reliable acceptance checks for critical assemblies.
• Durable Hardened Steel Construction: Built to resist wear in busy shops and production lines, providing long-lasting performance and stable accuracy over many uses.

This gauge supports efficient workflow by enabling rapid, repeatable thread verification, helping you avoid misfits, minimize rework, and keep projects on schedule. With its rugged construction and precise sizing, it delivers dependable results every shift, giving technicians and inspectors the confidence to move forward with confidence in every assembly.