The JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - No. 2 x 56 is a precision inspection tool designed to verify external thread diameters with speed and reliability. Ideal for machinists, quality engineers, and shop technicians, this GO gauge helps you confirm components meet UNC right-hand 2A threading standards and is ready for busy production environments. The compact ring design, paired with a durable finish, makes it a dependable companion for on-the-spot gauging and quality control.

• Durable hardened steel construction: Built to resist wear and maintain accurate measurements through daily use in demanding workshop conditions.
• Clear GO verification for UNC threads: Quickly confirms correct external thread size and form, speeding up inspections and reducing rework.
• Ergonomic, knurled outer ring: Textured surface provides a secure grip and easy handling, even with gloves, ensuring consistent readings across shifts.

Used as part of a reliable quality control process, this GO ring gauge helps you streamline inspections, capture repeatable results, and maintain tight tolerances. Its sturdy construction and thoughtful design support faster setup, fewer measurement errors, and confidence in every threaded component you produce or source.