The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M3 x 0.35 is a precision inspection tool designed to quickly verify external thread diameters against metric fine-thread specifications. Built for quality teams, machinists, engineers, and inspectors, this GO gauge helps you confirm that fasteners and threaded components meet exact dimensions without guesswork.

Made from hardened steel for lasting endurance, the gauge resists wear in busy workshops and challenging environments. Its straightforward, right-hand design supports fast, reliable go/no-go checks, helping you maintain consistent quality across production runs.

• Precise metric fine-threads (M3 x 0.35): Engineered to the standard M3 x 0.35 fine-pitch, this GO ring gauge delivers consistent measurements for external threads, reducing guesswork and rework during assembly and QC.
• Durable hardened steel construction: Built to withstand daily use, resist wear, and maintain accurate readings over thousands of inspections in demanding shop environments.
• Right-hand orientation for intuitive use: Designed to align with common threading directions, enabling quick setup and straightforward pass/fail checks for fast, efficient quality control.

Using the GO ring gauge helps you streamline thread verification, shorten inspection times, and improve overall accuracy in your machining or assembly workflow. It provides a reliable reference that supports consistent results across parts, processes, and operators, giving you confidence in every measurement and a smoother path from inspection to production.