The JBO Thread Ring Gauge (NoGo) is a precision tool for verifying external threads. It’s tailored for Metric Fine, right-hand threads with a 6h tolerance (M15 x 0.75), making it ideal for engineers, machinists, inspectors, and quality-control teams who need quick, reliable checks of threaded components.

Built to withstand busy workshop environments, this NoGo gauge helps confirm parts meet the required standards without guesswork.

• Durable hardened steel construction: Built to resist wear, delivering long-lasting accuracy in demanding shop environments.
• Precise metric fine sizing for M15 x 0.75, 6h: Designed to match the exact external thread standard, providing reliable, repeatable checks and reducing guesswork in QC workflows.
• Right-hand orientation and easy alignment: Optimized for quick, intuitive use with standard right-handed threads, speeding up inspections and minimizing setup time.

Using the JBO NoGo Thread Ring Gauge integrates smoothly into quality-control routines, helping you quickly identify non-conforming components, reduce rework, and maintain consistent thread quality across production runs. Its rugged construction and straightforward operation give buyers, engineers, and technicians a dependable tool that supports accurate, efficient machining and reliable threaded assemblies.