The JBO Thread Ring Gauge (GO) – Metric Fine, Right Hand, M55 x 2 (6e) is a precision go gauge designed to verify external thread diameters on threaded components. Tailored for engineers, machinists, inspectors, and quality-control teams, it enables fast confirmation that parts meet exact metric fine-thread standards.

Manufactured from hardened steel, this ring gauge delivers durable, wear-resistant performance in busy workshops and production lines. Its robust construction and precise geometry support repeated use, reliable inspections, and long tool life in demanding environments.

• Precise Metric Fine GO Gauge for M55 x 2 (6e): Enables quick pass/fail checks to exact metric fine-thread standards, helping you validate components during setup and during in-process inspection.
• Hardened Steel Construction: Built to resist wear and corrosion, providing long-lasting performance in tough shop conditions and reducing frequency of replacements.
• Easy, Quick Conformance Checks: Clear go indication simplifies inspections, speeding quality control and keeping production moving with minimal downtime.

Using this gauge supports consistent thread quality across batches, accelerates inspection workflows, and gives your team confidence that every part meets precise external-thread requirements.