The JBO Thread Ring Gauge (GO) for UNC Right-Hand threads, size 1 3/8 x 6 (2A class), is a precise inspection tool designed to quickly verify external thread diameters. It helps engineers, machinists, quality teams, and inspectors confirm that threaded components meet UNC specifications with a simple go/no-go check.

Manufactured from hardened steel for durability, this GO ring gauge resists wear in demanding environments and maintains accuracy through many cycles of use. Its compact, simple design fits easily into standard inspection setups, making it a dependable addition to any quality control process.

• Precise Go Gauge for UNC Right-Hand Threads: Quickly verify external UNC threads against 1 3/8 x 6 (2A) specifications, speeding inspections and reducing rework.
• Durable Hardened Steel Construction: Built to last in busy workshops, resisting wear and corrosion to maintain long-term accuracy.
• User-Friendly, Quick-Identify Design: Clear go/no-go indication helps operators confirm conforming parts at a glance, improving quality control efficiency and consistency.

This gauge streamlines your inspection workflow by turning complex thread checks into fast, reliable decisions. With its robust construction, you’ll experience less downtime and more consistent results across batches, ensuring UNC-threaded components meet specification every time. Rely on the JBO Thread Ring Gauge to support precise assembly, reduce iteration, and help your team deliver quality parts with confidence.