The JBO NoGo Thread Ring Gauge is a precision inspection tool for external metric coarse threads. Designed for engineers, machinists, quality teams, and maintenance professionals, it helps you quickly verify that components with M14 x 2 left-hand coarse threads meet size limits and fit requirements without guesswork.

Crafted from hardened steel, this gauge is built to withstand daily use in busy workshops and quality labs. Its durability mines down wear and maintains accurate dimensions for long service life, ensuring reliable inspections even in demanding environments.

• Durable hardened steel construction: withstands frequent handling and wear, preserving accuracy for years of reliable use.
• Precise left-hand metric coarse size (M14 x 2) 6g NoGo: specifically matched to the left-hand coarse thread to ensure correct limit checks and consistent pass/fail decisions.
• Easy, quick go/no-go inspection: simple to use for fast determinations, reducing inspection time and minimizing downtime in production or repair workflows.

Using the JBO NoGo Ring Gauge simplifies quality control by delivering clear, repeatable results. It helps you confirm compliant thread engagement, reduce rework, and maintain consistent performance across parts and batches, giving you confidence to ship components that meet your standards.