The JBO Thread Ring Gauge (GO) for UNC, Right Hand, 2A, 3/8 x 16 is a precision inspection tool designed to verify external thread diameters quickly and reliably. Built for engineers, machinists, quality teams, and shop floor technicians, it helps ensure components meet exact UNC specifications with a simple go/no-go check.

• Go gauge for fast pass/fail checks: Quickly confirms whether a part’s external thread matches the 3/8 x 16 UNC standard on the go, enabling rapid acceptance or rejection during quality inspections.
• Hardened steel construction for longevity: Built to resist wear and deformation in busy environments, delivering stable measurements over many cycles and long service life.
• Precise 3/8 x 16 UNC Right-Hand 2A threading: Manufactured to exact Unified Coarse specifications, ensuring reliable measurements and consistent compatibility with standard fasteners across batches.

This gauge supports streamlined quality control, reduces rework, and enhances workflow by providing dependable, repeatable measurements. Its durability and precise threading give you confidence across diverse applications—from production runs to maintenance workshops—making it a reliable choice for professionals who demand accuracy without slowing down.