The JBO Thread Ring Gauge (GO) - Metric Fine is a precision tool for verifying external threads on fasteners, fittings, and machined parts. Designed for engineers, inspectors, machinists, and quality teams, it provides quick, reliable GO checks to confirm adherence to metric fine-thread specifications.

Crafted from hardened steel, this ring gauge delivers outstanding durability and wear resistance for daily use in demanding environments. Its clear, user-friendly design makes it easy to identify properly conforming threaded components, helping streamline quality control and precision engineering workflows.

• Precise metric fine-thread GO verification: Confirms external threads to the M145 x 1.5 specification, enabling fast, reliable inspections on the shop floor.
• Durable hardened steel construction: Built to withstand daily use in demanding environments, delivering long service life and minimal wear.
• User-friendly, quick identification: Clear, intuitive design makes it easy to spot conforming parts, speeding up quality control and reducing inspection time.

With the JBO Thread Ring Gauge, you can speed up inspections, reduce ambiguity in measurements, and improve consistency across production runs. Its robust build and precise sizing support repeatable results, helping you meet standards and minimize rework, even in high-volume settings.