The JBO Thread Ring Gauge (GO) for UNC Right-Hand 2A 5/16 x 18 is a precision Go gauge designed to verify external thread diameters to UNC standards. It’s ideal for machinists, inspectors, and quality teams who need fast, reliable conformance checks on threaded components.

• Go/No-Go UNC 5/16 x 18 Right-Hand 2A gauge: Delivers fast, decisive pass/fail checks that keep production moving and ensure consistent results across parts.
• Hardened steel construction: Delivers excellent wear resistance and long service life in busy workshops while maintaining measurement accuracy over time.
• User-friendly design for quick conformance identification: Enables easy identification of properly formed threads, reducing training time and minimizing inspection errors.

With the JBO Go UNC Ring Gauge, inspection workflows become faster and more reliable. It helps ensure that only correctly formed 5/16 x 18 UNC right-hand threads progress through production and into assemblies, supporting tighter quality control and higher overall reliability in your manufacturing processes.