The JBO Thread Plug Gauge (NoGo) - Metric Fine is a precision measuring tool designed for metric fine threads. It helps inspectors and machinists quickly verify threaded holes, ensuring parts meet exact M68 x 3 specifications with a reliable NoGo check. This Right Hand gauge uses 6H tolerance and is built from hardened steel for long-lasting wear resistance in demanding workshops.

• NoGo maximum-hole verification: Ensures threaded holes do not exceed the maximum size, enabling fast pass/fail decisions and consistent quality control.
• Right-Hand Metric Fine compatibility (M68 x 3, 6H): Designed for the standard right-hand thread form, ensuring accurate and repeatable hole checks for this size and tolerance set.
• Durable hardened steel construction: Built to withstand daily use in busy shops, resist wear, and provide long service life in manufacturing and inspection workflows.

With the JBO Thread Plug Gauge (NoGo) - Metric Fine, your quality checks become quicker and more reliable. The NoGo function provides a clear pass/fail verdict on hole size, reducing inspection time and rework. The metric-fine design ensures precise matches for M68 x 3 threads, while the hardened-steel body stands up to everyday workshop use — delivering consistent results across shifts and operators.