The JBO Thread Ring Gauge (GO) - Metric Fine, Right Hand, 6h, M3.5 x 0.25 is a precision Go gauge designed to verify external thread diameters to metric fine standards. It’s ideal for machine shops, quality control labs, and field service where quick, reliable checks keep production moving. Crafted from hardened steel, this gauge withstands daily wear in busy workshops and maintains accuracy across many checks.

• Precise metric fine-thread verification: Designed to check external threads for M3.5 x 0.25 with 6h tolerance, enabling fast Go checks that clearly indicate compliance.
• Hardened steel durability: Built to resist wear in busy environments, delivering long service life and consistent performance.
• User-friendly inspection: Right-hand orientation and clear identification help inspectors quickly confirm conforming parts and reduce handling time.

By using the JBO Thread Ring Gauge, you streamline quality checks, reduce rework, and improve traceability across your production or assembly workflow. The combination of precise metric fine-thread verification and durable construction helps you achieve consistent results, faster inspections, and greater confidence that every part meets specification.