The JBO Thread Ring Gauge (GO) for UNS, Right Hand, 2A, 1 5/8 x 12, is a precision inspection tool designed to quickly verify external thread diameters to exact UNS standards. It’s ideal for manufacturers, machine shops, quality control teams, and maintenance crews that rely on fast, dependable go/no-go checks to confirm threaded components meet specification.

Built with hardened steel and a robust GO gauge design, this ring gauge delivers durable performance in busy environments and long-lasting calibration for reliable results across its service life.

• Exact UNS GO configuration for Right‑Hand 2A threads: Facilitates fast, reliable conformance checks for 1 5/8 x 12 external threads, helping you identify non-conforming parts at a glance.
• Hardened steel construction for durability: Resists wear and maintains calibration through daily handling, reducing maintenance needs and ensuring consistent measurements over time.
• Ergonomic, knurled design for easy use: Easy grip and quick alignment support confident inspections, even in tight spaces, helping speed up quality checks and reduce fatigue.

Using the JBO Thread Ring Gauge GO for UNS improves workflow by delivering clear, reliable go/no-go verification of external threads, cutting inspection time and minimizing rework. It supports consistent results across parts and assemblies, giving your team greater confidence in every measurement and a smoother, more efficient quality control process.