The JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external thread diameters on metric fasteners and threaded components. Specifically tuned for metric fine threads, this NoGo gauge is labeled for M12 x 0.75 with a right-hand thread and 6e class, helping inspectors confirm that parts meet exact limits and standard requirements.

Built for engineers, machinists, quality inspectors, buyers, and workshop teams, it delivers quick, reliable checks that speed up quality control without sacrificing accuracy. Crafted from hardened steel, the gauge offers exceptional wear resistance and durability for long service life in demanding environments, ensuring consistent performance over time.

• Hardened steel construction: Delivers durable, long-lasting wear resistance so the gauge stays accurate through daily inspection cycles and tough shop conditions.
• Fast NoGo checks for external threads: Enables quick pass/fail judgments, reducing inspection time and helping keep production moving with reliable results.
• Metric fine, right‑hand 6e specification (M12 x 0.75): Ensures precise sizing aligned with standard parts, minimizing guesswork and rework in assembly and maintenance.

Using the JBO Thread Ring Gauge enhances your inspection workflow by delivering clear, repeatable results that you can trust. It helps prevent assembly issues, supports consistent quality across batches, and gives your team confidence that every threaded component meets the required specifications.