The JBO Ring Gauge (GO) - Metric Fine, Right Hand, 6h, M19 x 0.75 is a precision tool designed to verify external thread diameters with accuracy. It’s ideal for engineers, quality teams, machinists, and workshop professionals who inspect threaded components against metric fine standards.

Crafted from hardened steel, this GO ring gauge delivers durability and wear resistance for daily use in busy shops and QC labs. Its straightforward design makes it easy to identify properly conforming threads during routine inspections, helping you confirm compliance quickly and confidently.

• Precise GO gauge for Metric Fine M19 x 0.75 threads: Quickly verify that a part’s external thread diameter and pitch meet the minimum requirement, speeding up inspections and reducing guesswork.
• Hardened steel construction: Built to withstand frequent handling and shop wear, delivering long-lasting accuracy and reliable performance over time.
• User-friendly, fast identification of conforming parts: Simplifies QC workflow by letting operators instantly recognize parts that pass the GO test, reducing downtime and rework.

This GO gauge helps you streamline threaded-diameter inspections, maintain consistent quality across batches, and keep production moving without sacrificing measurement reliability.