The JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M120 x 3 is a precision go gauge designed to verify internal threads in metric holes. Specifically configured for metric fine threads, it supports quick go/no-go verification of M120 x 3 holes, with a right-hand thread and 6H tolerance to meet common industry standards.

Built from hardened steel, this gauge resists wear and maintains accurate size even in busy workshops. Its straightforward Go design provides a clear pass/fail reading, helping technicians identify properly threaded holes quickly and streamline quality control in machining, assembly, and maintenance workflows.

• Hardened steel construction: Built to endure daily use in workshop environments, delivering long tool life and consistent measurements even after repeated insertions and removals.
• Metric fine M120 x 3 Go gauge with right-hand, 6H: Precisely sized to verify internal threads against standard metric tolerances, enabling reliable pass/fail decisions during inspection.
• Fast, user-friendly go/no-go checks: Quick readings that let you identify properly threaded holes at a glance, reducing inspection time and boosting production throughput.

With the JBO Thread Plug Gauge, you gain faster, more reliable inspections, reduced rework, and more consistent thread quality across parts and assemblies. Built for durability and designed to simplify quality control, it helps technicians, engineers, and shop staff achieve confident, repeatable results every shift.