The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M13 x 1 is a precision tool designed to verify external thread diameters to the metric fine standard. It’s ideal for inspectors, machinists, engineers, and quality teams who need a reliable, fast check to confirm that threaded components conform to the M13 x 1 right‑hand, fine‑pitch specification.

Crafted for everyday use in demanding work environments, this gauge pairs meticulous design with precise dimensions to support efficient inspection and consistent results across jobs. Made from hardened steel, it delivers exceptional durability and wear resistance, helping you extend tool life and maintain accuracy over time.

• Precise GO measurement for external threads: delivers fast, reliable checks against the metric fine M13 x 1 standard so components pass or are flagged at a glance.
• Hardened steel construction for long life: built to withstand frequent use, resisting wear and maintaining accuracy through busy production schedules.
• Easy identification for fast quality control: user‑friendly design makes it simple to identify properly conforming threaded parts, reducing inspection time and rework.

Using the JBO GO ring gauge helps streamline your quality workflow, improve consistency across batches, and enable confident decisions during assembly and maintenance. Its durable build and precise sizing empower teams to verify threads quickly, cut downtime, and uphold stringent standards with every check.