The JBO Thread Ring Gauge (GO) for UNEF is a precision Go gauge designed to verify external threads on components with a 3/4 x 20 UNEF size. It’s ideal for quality control teams, machinists, and technicians handling right-hand threaded parts, helping quickly confirm whether a threaded component meets the required standard.

Crafted from hardened steel, this ring gauge offers exceptional wear resistance and long service life in demanding shop environments. Its straightforward, user-friendly design makes it easy to identify conforming threaded components at a glance, supporting efficient quality control and repeatable results.

• Precise UNEF Go gauge for 3/4 x 20: Enables fast, go/no-go checks of external threads to confirm conformance to UNEF 3/4 x 20, streamlining inspection.
• Hardened steel construction: Delivers lasting durability and wear resistance in busy workshop settings, reducing tool replacement and downtime.
• Right-Hand, 2A class compliant design: Engineered to match the standard for UNEF external threads, delivering consistent and repeatable GO checks.

Using the JBO GO thread ring gauge helps you verify thread conformance with confidence, minimize rework, and keep production flowing smoothly. Its reliable performance supports precise measurements, faster inspections, and dependable results across multiple parts and batches.