The JBO Thread Ring Gauge GO, Metric Fine (Right Hand, 6g, M128 x 1.5) is a precision inspection tool used to verify external thread diameters. Made from hardened steel for lasting wear resistance, it stands up to busy shop floors and repeated use. This GO gauge helps quality teams, machinists, and designers quickly confirm that threaded parts meet the required M128 x 1.5 fine-pitch standard.

• Exact GO size for M128 x 1.5: Delivers reliable pass/fail checks for external threads, speeding up QC workflows and reducing measurement guesswork.
• Durable, hardened steel construction: Resists wear, corrosion, and impact, providing long service life in demanding environments.
• User-friendly design for fast checks: Knurled outer surface and intuitive GO engagement support quick, glove-friendly alignment and measurement checks.

Using the JBO GO Thread Ring Gauge speeds up your quality checks by giving instant pass/fail feedback on M128 x 1.5 external threads. It helps your team cut rework, prevent mismatches in assemblies, and maintain consistent thread engagement across parts. The durable hardened steel body and precise GO dimension deliver repeatable results in demanding environments, improving workflow efficiency and overall product quality.