The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6e - M39 x 2 is a precision tool designed to verify external thread diameters quickly and reliably. Ideal for engineers, machinists, inspectors, and quality teams, it helps you confirm that threaded components meet the exact metric fine specifications without guesswork.

Built from high-quality hardened steel and machined to tight tolerances, this GO gauge delivers enduring performance in demanding workshop environments. Its metric fine size (M39 x 2) and right-hand orientation ensure you’re using the correct gauge for your parts, supporting consistent, standards-compliant inspections.

• Precise Metric Fine GO Gauge for M39 x 2, Right-Hand Threads: Enables quick go/no-go checks to confirm external thread diameter matches the exact size, speeding up QA and ensuring parts meet specifications.
• Durable Hardened Steel Construction: Built to resist wear in busy shop settings, delivering long service life and maintaining accuracy across many inspections.
• User-Friendly Design for Easy Conformity Checks: Facilitates fast identification of properly threaded components, reducing inspection time and minimizing errors.

Used in quality control to confirm that threaded components conform to required standards and specifications, this gauge helps streamline inspections, reduce rework, and improve overall workflow. Its durable construction and precise machining provide confidence in every measurement, supporting precise engineering, reliable assembly, and consistent performance across projects.