The JBO Thread Ring Gauge GO — Metric Coarse, Left Hand, 6g, M3.5 x 0.6 is a precision inspection tool designed to verify external threads quickly and reliably. Ideal for machinists, quality inspectors, assembly technicians, and maintenance teams, it provides a fast, dependable way to confirm that metric coarse threads will engage correctly with mating parts.

• Fast GO threading verification: Quickly confirms that external M3.5 x 0.6 left-hand threads meet the GO dimension, helping you identify out-of-tolerance parts during assembly or quality checks and keep production moving.
• Durable hardened steel construction with 6g tolerance: Built to resist wear in busy workshops, delivering stable, repeatable readings over time and ensuring long service life in daily use.
• Left-hand metric coarse threading compatibility: Specifically designed for left-hand threads, enabling accurate inspection of parts that rely on this orientation and expanding your toolkit’s coverage.

Using the JBO Thread Ring Gauge GO ensures consistent fitment and reliable results across your workflow. It supports precise, efficient inspections of external threads, reduces rework, and helps maintain quality standards from the shop floor to final assembly.