The JBO Thread Ring Gauge (GO) - Pg 42 x 16, Right Hand is a precision tool designed to verify external thread diameters. It’s ideal for engineers, machinists, quality inspectors, and maintenance teams who need fast, reliable checks to confirm components meet specifications.

Made from hardened steel, this GO gauge is built to withstand daily use in demanding environments while maintaining accurate measurements over time. Its durable construction ensures long-lasting performance in busy workshops and production lines.

• Immediate go/no-go verification: Quickly determine whether a threaded part conforms to the specified diameter, speeding up quality checks and reducing inspection time.
• Rigid, wear-resistant construction: Hardened steel design resists abrasion and preserves measurement accuracy through repeated use.
• User-friendly, industry-ready design: Simple handling and clear sizing make it easy for technicians across automotive, manufacturing, and maintenance roles to read results at a glance.

Using this GO ring gauge helps streamline inspections, reduce rework, and support consistent, repeatable thread measurements across your production and maintenance workflows. Its durable build and straightforward operation give teams confidence to rely on precise results every time.