The JBO Thread Plug Gauge (GO) is a precision inspection tool designed to verify internal threads in metal components. It’s ideal for engineers, machinists, quality teams, and workshop technicians who need quick, reliable confirmation that threaded holes meet specified standards. With its exact metric fine dimensions, this GO gauge helps you confirm that a hole accepts the thread correctly and is within tolerance.

• Precise M60 x 2, 6H Go gauge: Quickly verify that threaded holes conform to the metric fine standard (M60 x 2, 6H) with a straightforward pass/fail check, accelerating inspection and boosting consistency.
• Hardened steel construction: Built for durability and wear resistance, this gauge maintains accuracy through thousands of insertions in demanding shop environments.
• Ergonomic, easy-to-use design: Knurled grip and a smooth seating surface enable fast, confident checks with minimal setup, reducing inspection downtime.

In daily use, this gauge streamlines quality control by delivering clear, dependable readings for threaded holes, supporting accurate part mating and reducing rework. Its robust build and precise dimensions help maintain consistent results across production runs, giving you a reliable tool you can trust in metalworking, manufacturing, and workshop applications.