The JBO Thread Ring Gauge (NoGo) is a precision tool for quickly inspecting external metric threads. Designed for engineers, buyers, tradespeople, and hobbyists, it helps verify that components with M2.5 x 0.25 right‑hand threads meet the correct size and tolerance through a straightforward NoGo check.

• Precise metric NoGo sizing for M2.5 x 0.25: Quickly verify external thread diameters against the NoGo limit to identify parts that are out of tolerance and need rework.
• Hardened steel construction for durability: Built to resist wear in busy workshop environments, delivering long service life and stable measurements.
• Right-hand, 6H-tolerance design: Specifically matched to common metric fine-thread standards, ensuring reliable results across production runs.

Using the JBO Thread Ring Gauge (NoGo) empowers your quality checks with confidence. It simplifies inspection workflows, speeds up decisions, and helps prevent misfits in assemblies by clearly indicating when a part exceeds the NoGo limit. The durable construction means consistent performance over time, supporting reliable quality control and reducing rework, downtime, and delays.