The JBO Thread Ring Gauge (NoGo) in Metric Fine, Left Hand, 6g, M38 x 2 is a precision inspection tool used to verify external thread diameters. It’s ideal for engineers, machinists, quality teams, and hobbyists who need quick, reliable checks to confirm parts meet exact size and form standards.

• NoGo quick checks for external threads: Quickly determine if a thread is within the maximum size spec, helping you spot out-of-tolerance parts at a glance and reduce rework.
• Rugged hardened steel construction: Built to endure daily workshop use, resisting wear and maintaining accurate measurements over many inspections.
• Left-hand metric fine threading (M38 x 2, 6g): Specifically designed for left-hand, metric fine threads at the M38 x 2 size, ensuring precise engagement and reliable checks for this configuration.

With its durable build and straightforward pass/fail feedback, this gauge helps streamline quality control, keep production on schedule, and deliver consistent results across demanding applications.