The JBO Thread Ring Gauge (GO) for UNEF external threads is a precision GO gauge designed for reliable verification of right-hand threads. Sized for 1 1/2 x 18 UNEF, it helps engineers, inspectors, and shop teams quickly confirm that external threads meet exact size and tolerance requirements.

Crafted from hardened steel, this ring gauge delivers durability and wear resistance for long-lasting performance in busy environments. Its straightforward design makes it easy to identify properly conforming threaded components, supporting efficient quality control and precision engineering across a range of applications.

• Precise GO Gauge for UNEF Right-Hand Threads: Delivers accurate external thread checks with clearly defined GO limits for 1 1/2 x 18 UNEF, enabling fast pass/fail inspections.
• Hardened Steel Construction: Built to resist wear and deformation, ensuring stable, repeatable measurements even after extensive use in demanding settings.
• User-Friendly Verification: Simple handling and clear results help quickly identify compliant parts, reducing inspection time and supporting reliable quality control.

Using the JBO GO gauge helps you streamline inspections, reduce downtime from measurement errors, and ensure components consistently meet UNEF standards. It supports precise workflow in manufacturing, assembly, and inspection environments, giving your team confidence in every threaded connection.