Introducing the JBO Thread Ring Gauge (NoGo) – Metric Coarse, Left Hand, 6e, M20 x 2.5. This durable NoGo gauge quickly verifies external thread diameters, helping quality-control teams, engineers, and shop-floor staff ensure metric coarse threads meet required standards for reliable fitment.

• Precise No-Go verification for quick, confident checks: Delivers clear pass/fail indications on external threads, helping you identify non-conforming parts fast and reduce inspection time.
• Rugged hardened steel construction: Built to resist wear in demanding environments, delivering long-lasting accuracy and dependable performance over time.
• Left-hand metric coarse thread compatibility (6e, M20 x 2.5): Designed for common metric coarse-thread applications with left-hand orientation, making inspections straightforward on relevant components.

This gauge supports your quality-control workflow by enabling easy identification of non-conforming components and ensuring that metric coarse threaded connections meet the required standards for optimal fitment and reliable functionality across manufacturing, assembly, and maintenance tasks.