The JBO Thread Ring Gauge (GO) is a precision inspection tool designed to verify external metric fine threads. It’s ideal for engineers, buyers, tradespeople, and quality teams who need quick, reliable checks to confirm that threaded components meet exact diameter specifications. This GO gauge is tailored for metric fine threads, including M13 x 1, and supports accurate pass/fail decisions in demanding production environments.

• Precise Go Gauge for Metric Fine Threads: Quickly verify external thread diameters against the metric fine standard, delivering clear pass/fail results to speed up inspections and reduce guesswork on the shop floor.
• Rugged Hardened Steel Construction: Built to withstand daily use in busy workshops, offering excellent wear resistance and long-lasting accuracy across thousands of measurements.
• Left-Hand, M13 x 1 Ready: Specifically designed for left-hand threads and metric fine sizes like M13 x 1, with 6g tolerance to ensure consistent, reliable checks and minimize setup time.

Using the JBO Thread Ring Gauge (GO) helps streamline quality control by delivering fast, dependable verification of thread size in one simple step. Its durable construction reduces downtime caused by worn gauges, while its left-hand compatibility and precise metric fine sizing keep inspections consistent across batches and operators. Rely on this gauge to improve inspection efficiency, reduce rework, and support reliable, repeatable results in your threading projects.