The JBO Thread Ring Gauge (NoGo) – UNEF – Right Hand – 2A – 5/16 x 32 is a precision tool for checking external threads on fasteners, fittings, and components. It’s designed for professionals across manufacturing, automotive, and aerospace who need reliable, repeatable measurements that align with Unified thread standards.

With its NoGo design, the gauge makes non-conforming threads instantly identifiable, helping you avoid mismatches and costly rework. Crafted from hardened steel, it stands up to daily workshop use, delivering durability you can trust over many inspections.

• No-Go design for rapid conformity checks: Quickly identify non-conforming threads without complex measurements, shortening inspection time and reducing the risk of incorrect assemblies.
• UNEF 2A Right-Hand, 5/16 x 32 accuracy: Precisely sized to the UNEF 2A right-hand thread standard, ensuring consistent, reliable checks against the designated size.
• Hardened steel construction with knurled edge: Durable, wear-resistant body that maintains accuracy under daily use, while the knurled outer edge provides secure grip for easy handling and repeated measurements.

By delivering fast, dependable external-thread verification, this gauge simplifies quality control workflows, helps ensure correct part fit, and supports consistent results across production runs. Whether you’re setting parts or performing in-process checks, the JBO NoGo Thread Ring Gauge provides confidence and reduces downtime in your operation.