The JBO Thread Ring Gauge (GO) for UNC, Right Hand, 2A, 1/2 x 13 is a precise inspection tool designed to verify external threads on fasteners and machined parts. Ideal for machinists, inspectors, and quality teams, it provides a quick, reliable go/no-go check to confirm parts meet the 1/2-13 UNC right-hand thread specification.

Built from hardened steel and finished for durability, this GO ring gauge resists wear in busy workshops and maintains accurate dimensions over many cycles of use. Its simple, intuitive design lets any operator quickly identify conforming components, speeding up quality control without sacrificing accuracy.

• Precise UNC Go Gauge for 1/2 x 13 Right-Hand Threads: Quickly verify external thread size and pitch to confirm conformance, reducing guesswork and rework.
• Hardened Steel Construction: Built to endure daily handling in busy inspection benches, delivering long-lasting durability and stable measurements over time.
• Ergonomic Knurled Ring for Easy Handling: The textured rim provides secure grip and fast alignment, speeding inspections and minimizing operator fatigue.

This gauge helps you streamline quality control by delivering immediate, reliable conformance checks for UNC 1/2 x 13 right-hand threads. Use it to prevent incorrect fittings, reduce downtime, and ensure consistent assembly across parts and batches. With its durable construction and straightforward use, it becomes a dependable component of your inspection toolkit, supporting accurate measurements and repeatable results in demanding manufacturing environments.