The JBO Thread Ring Gauge (GO) is a precision tool designed to verify external metric fine threads with confidence. Sized for M34 x 1 left‑hand threads and 6g tolerance, it provides fast, reliable checks that help inspectors and machinists confirm components meet exact dimensional standards.

Crafted from hardened steel, this GO gauge delivers outstanding durability and wear resistance in busy shop environments. Its straightforward, user‑friendly design makes it easy to identify properly conforming threaded components at a glance, helping streamline quality control and precision engineering workflows.

• Precise Metric Fine Go Gauging (M34 x 1 LH): Quickly verify external thread size and tolerance with a clear pass/fail check, reducing inspection time and rework.
• Hardened Steel Durability: Built to withstand daily use, resisting wear and maintaining accuracy across thousands of measurements.
• Left-Hand Thread Compatibility: Specifically designed for left-hand threads, preventing misreads and ensuring reliable results in LH applications.

Used across manufacturing, machining, and quality control environments, this gauge helps you speed up inspections, reduce downtime, and ensure consistent, dependable threaded components. It supports precise workmanship from setup to final assembly, giving you a clear, trustworthy tool for maintaining tight tolerances and high-quality results.