JBO Thread Plug Gauge is a precision tool designed to verify metric fine threads in threaded holes. It’s tailored for right-hand M27 x 1 threads (6G class) and uses a Go/No-Go design to deliver fast, reliable checks that confirm whether a hole accepts its mating part.

Manufactured with hardened steel, this gauge provides long-lasting durability in busy workshops, resisting wear through repeated use and delivering consistent results over time.

• Metric fine-thread precision: Specifically engineered for metric fine threads, enabling accurate Go/No-Go inspections of M27 x 1 holes.
• Go/No-Go design for fast inspections: Quickly determine if a threaded hole meets specification with clear pass/fail checks, reducing inspection time.
• Hardened steel for lasting reliability: Built to resist wear in rugged environments, ensuring dependable accuracy across many uses.

Using this gauge helps streamline assembly and quality control by providing straightforward, repeatable checks that prevent mismatches, minimize rework, and support consistent, high-quality threaded connections.