The JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M90 x 6 is a precision inspection tool used to quickly verify threaded holes in metal parts and assemblies. Designed for engineers, machinists, maintenance teams, and quality-control professionals, it helps confirm that a hole will accept a mating thread within the required tolerance.

Built for reliability in busy workshops, this GO gauge is crafted from hardened steel for long life and wear resistance. The metric fine thread, right-hand orientation, and 6H tolerance class are all engineered to standard specifications, delivering consistent go checks that you can trust for repeatable results.

• Durable hardened steel construction: Withstand daily use in demanding environments while maintaining accurate dimensions for many inspections.
• Accurate metric fine M90 x 6 GO gauge: Precisely sized to verify hole acceptance with confidence, helping prevent misreads and costly rework.
• Right-hand design for quick, intuitive checks: Easy orientation and fast go/no-go verification to keep your inspection workflow smooth and efficient.

By incorporating this GO gauge into your setup, you streamline hole inspections, reduce downtime, and raise confidence that each part meets spec before assembly. The combination of durable construction, precise sizing, and user-friendly handling translates into faster checks, fewer rejects, and consistent results throughout production or maintenance tasks.