The JBO Thread Ring Gauge (NoGo) for UNEF right-hand threads in size 13/16 x 20 is a precision inspection tool designed to verify external thread diameters on fasteners, fittings, and machined components. Built for use across manufacturing, automotive, and aerospace environments, it helps inspectors confirm components meet Unified thread standards quickly and consistently.

With its deliberate NoGo design, this gauge makes non-conforming threads obvious at a glance, reducing guesswork and helping prevent improper assemblies. Crafted from hardened steel, it resists wear and maintains accuracy through daily use in busy inspection rooms and shop floors.

• NoGo design for fast non-conforming detection: Quickly identify threads that exceed permissible limits, speeding up inspections and minimizing inaccurate fittings.
• Precise UNEF 13/16 x 20, Right-Hand, 2A sizing: Machined to exact specifications to ensure reliable, repeatable checks across batches and suppliers.
• Durable hardened steel construction: Built to endure routine handling, calibration, and cleaning while preserving measurement integrity over time.

This gauge helps streamline quality control by delivering consistent, easy-to-interpret verification of external threads. By confirming proper fitment and flagging out-of-spec parts before assembly, it supports faster workflows, reduces rework, and upholds tight dimensional accuracy across critical applications.