The JBO Thread Plug Gauge is a precision tool designed to verify metric fine-thread holes with speed and accuracy. It's ideal for machinists, quality-control teams, assembly professionals, and capable hobbyists who need reliable thread checks for metric fine threads.

Featuring a Go/No-Go design and right-hand orientation, this gauge provides fast pass/fail checks for M36 x 0.5 threads (6H tolerance). Made from hardened steel, it delivers durable performance that stands up to daily use in demanding workshop environments.

• Go/No-Go quick verification: Quickly determine whether a threaded hole meets the specified tolerance, speeding inspections and reducing guesswork.
• Hardened steel durability: Built to resist wear and maintain accuracy over many measurement cycles, even in busy shop settings.
• Metric fine-thread compatibility (M36 x 0.5, 6H, Right Hand): Precisely calibrated for metric fine threads, ensuring consistent, reliable checks that align with the intended hand orientation.

This plug gauge helps streamline your workflow by delivering fast, trustworthy hole checks, reducing rework, and supporting consistent results across production runs. Its rugged construction and exact threading compatibility give you confidence in fit and function from part to part.