The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M135 x 4 is a precision go gauge designed to verify external threads to metric fine standards. It's an essential tool for engineers, quality teams, machinists, and hobbyists who need fast, reliable confirmation that threaded components meet exact size and pitch requirements.

Crafted from hardened steel, this ring gauge delivers outstanding wear resistance and long-term dimensional stability in demanding workshop environments. The circular, GO gauge design makes it easy to insert and test test parts, enabling quick, confident conformance checks and helping reduce rework in quality control processes.

• Precise metric fine GO gauge: Quickly verify external threads to the M135 x 4 specification (6g, right-hand) ensuring components meet exact size and pitch requirements.
• Hardened steel construction: Built to withstand daily shop use, resisting wear and maintaining accuracy over time for repeated inspections.
• User-friendly quick-check design: Simple go/no-go verification provides fast, clear results, speeding up QC workflows and reducing guesswork during assembly or maintenance.

This gauge helps streamline your quality control workflow by delivering fast, dependable conformance checks for metric fine external threads. With durable construction and a straightforward testing process, you can reduce rework, minimize downtime, and ensure consistent results across parts and batches, improving overall production reliability and confidence in every threaded connection.