The JBO Thread Plug Gauge (NoGo) - Metric Fine, Right Hand, 6H, M72 x 4 is a precision inspection tool designed for metric fine threaded holes. It’s built for machinists, inspectors, and production teams who need reliable, repeatable hole checks throughout manufacturing and quality control.

Designed specifically for metric fine threads, this NoGo plug gauge delivers dependable pass/fail readings that help you confirm holes meet the M72 x 4, 6H standard with confidence and speed.

• Metric Fine compatibility and NoGo design: Ensures accurate pass/fail checks for M72 x 4 holes within the 6H tolerance, enabling quick, confident inspections.
• Hardened steel construction for durability: Built to resist wear in demanding shop environments, maintaining measurement accuracy over many cycles.
• Right-handed orientation for convenient use: Optimized grip and handling align with common machining setups, delivering repeatable results with minimal effort.

With this gauge in your toolkit, you can streamline quality checks, reduce rework, and speed up production without compromising accuracy. The robust construction minimizes downtime due to wear, while the precise NoGo reading provides clear, objective decisions, helping you maintain consistent hole quality across parts and batches.