The JBO Thread Ring Gauge (GO) - Metric Fine is a precision tool designed to verify external thread diameters to exacting standards. It’s ideal for engineers, inspectors, machinists, and quality teams across manufacturing and assembly environments, delivering quick, reliable go/no-go checks for metric fine, right-hand threads.

Made from hardened steel, it offers durability and wear resistance to stand up to daily use in demanding workplaces. Its straightforward design helps identify properly conforming threaded components, supporting efficient quality control and precise engineering.

• Precise GO gauge for metric fine threads: Quickly verify external thread diameters against the standard, enabling confident go/no-go checks and faster quality control.
• Hardened steel construction: Delivers long-lasting durability and wear resistance, maintaining accuracy through repeated inspections in busy workshops.
• Right-hand M68 x 4 with 6g tolerance: Designed to match standard right-hand metric threads, providing repeatable measurements and consistent results across parts.

By using the JBO Ring Gauge, you streamline thread inspection, reduce rework, and accelerate production cycles. Its rugged construction and precise sizing deliver dependable results that help your team uphold standards, improve workflow, and ensure reliable performance of threaded components in the field.