The JBO Thread Ring Gauge (NoGo) — Metric Fine is a precision tool designed to verify external thread diameters on components with metric fine threads. It’s ideal for inspectors, machinists, and quality teams who need quick, reliable checks to confirm parts meet specifications.

Built from hardened steel for long-lasting durability, this NoGo gauge stands up to the wear of busy shops. With Right Hand orientation and a metric fine size of M32 x 0.5 (6g), it delivers consistent results on common threaded parts and supports efficient quality control and precision engineering.

• Fast Go/NoGo verification: Quickly determine if the external thread diameter is within tolerance, helping you identify non-conforming parts at a glance and keep production moving.
• Hardened steel, durable construction: Built to resist wear and maintain measurement accuracy in demanding environments, delivering long service life.
• Metric fine compatibility: M32 x 0.5, 6g, Right Hand: Designed for standard metric fine threads, ensuring reliable checks on common components, including right-hand threads.

Using the JBO Thread Ring Gauge (NoGo) supports faster, more reliable inspections and helps protect downstream processes. It reduces rework by catching out-of-tolerance threads early, improves consistency across parts and operators, and gives you confidence when sourcing replacements or validating assemblies.