The JBO Thread Plug Gauge (GO) – Metric Fine is a precision tool designed to verify internal threads in holes to metric fine standards. It’s ideal for engineers, machinists, quality inspectors, buyers, and hobbyists who need fast, reliable go/no-go checks on M92 x 1.5 threads.

With a right-hand thread and a 6H tolerance, this GO gauge delivers consistent results in demanding environments. Crafted from hardened steel, it resists wear and maintains accuracy through repeated use, ensuring long-lasting performance in busy workshops.

• Precise metric fine GO measurement: Quickly confirms whether a hole is threaded to M92 x 1.5 and meets metric fine specifications, enabling fast pass/fail decisions during inspection.
• Hardened steel construction: Built to endure daily use, resisting wear and maintaining dimensional stability for reliable, repeated performance over time.
• Right-hand orientation with 6H tolerance: Provides consistent, repeatable go/no-go checks that align with standard machining practices, reducing guesswork and rework.

Using this gauge helps streamline quality control, shorten inspection cycles, and improve confidence that threaded components will assemble correctly the first time, delivering dependable results across manufacturing and assembly workflows.