The JBO Thread Plug Gauge (GO) – Metric Fine is a precision tool designed to verify internal threads in holes with confidence. It enables quick, reliable go/no-go checks to confirm the hole size and thread pitch meet exact specifications. Ideal for engineers, machinists, inspectors, and quality teams, it supports consistent, repeatable measurements across production runs. The gauge is sized to M122 x 1.5, with right-hand orientation and a 6H tolerance for dependable results.

Crafted from hardened steel, this plug gauge delivers outstanding wear resistance and long service life, even in demanding workshop environments.

• Precise metric fine sizing (M122 x 1.5): Delivers exact go gauge dimensions for reliable hole checks and consistent interchangeability across parts.
• Hardened steel construction: Built to resist wear and maintain accuracy through heavy use, reducing replacement and retesting.
• User-friendly Go gauge interface: Knurled, easy grip design and clear go/no-go assessment to speed inspections and minimize setup time.

Using the JBO Thread Plug Gauge (GO) equips teams with fast, reliable confirmation of threaded hole readiness. It helps shorten setup times, reduce rework, and ensure consistent quality across batches. The combination of precise metric sizing, durable construction, and a straightforward go/no-go check gives you confidence in every measurement and supports traceable quality documentation.