The JBO Thread Ring Gauge (NoGo) – Metric Fine is a precision inspection tool designed to verify external threads with exacting accuracy. Sized for Right Hand threads in 6g with M122 x 1.5, it’s ideal for engineers, machinists, quality teams, and maintenance professionals who need reliable go/no-go checks during production and inspection.

Crafted from hardened steel, this gauge delivers exceptional durability and wear resistance in busy shop environments. Its NoGo design makes it easy to identify non-conforming components at a glance, supporting fast, confident decisions and steady quality across multiple workflows.

• NoGo verification for metric fine threads: Quickly confirms whether a part’s external thread diameter meets the M122 x 1.5 right-hand, 6g class limits, enabling fast go/no-go decisions and reducing guesswork in quality control.
• Hardened steel construction for durability: Built to resist wear in demanding workloads, ensuring consistent readings and long service life even after thousands of inspections.
• Easy to use and integrate into QC workflows: User-friendly design supports rapid setup and clear, action-ready results, helping teams speed inspections and minimize downtime.

Using the JBO Thread Ring Gauge (NoGo) – Metric Fine helps streamline inspection routines, allowing quick validation of thread compliance and reducing rework. Its durable construction and straightforward use build confidence across manufacturing, assembly, and maintenance environments, delivering reliable measurements and improved overall quality.