The JBO Thread Ring Gauge (GO) - Metric Fine, Right Hand, 6g, M20 x 1.5 is a precision tool used to verify external thread diameters and confirm part conformity. It’s ideal for inspectors, machinists, engineers, and quality teams who need fast, reliable go/no-go checks during assembly and inspection.

Crafted from hardened steel, it delivers durable, long-lasting performance in demanding shop environments. The GO gauge is designed for accuracy and ease of use, helping you verify that threaded components meet the M20 x 1.5 standard with confidence.

• Metric Fine GO gauge for external threads: Quickly confirms that the external thread diameter matches M20 x 1.5 for reliable go/no-go decisions, reducing inspection time.
• Hardened steel construction with wear resistance: Built to endure daily use, preserving precision and extending tool life in busy workshops.
• Right-hand, knurled design for easy handling: Secure grip and straightforward orientation, enabling faster, more accurate inspections with less fatigue.

This gauge helps streamline quality control by providing clear go/no-go results, minimizing rework, and ensuring consistent thread compatibility across batches. Its rugged construction and precise dimensions give you confidence that every measurement supports your manufacturing standards and delivery timelines.