The JBO Thread Plug Gauge (GO) – Metric Fine – Right Hand – 6H – M140 x 2 is a precision inspection tool used to validate internal threads in holes. Designed for professionals across manufacturing, maintenance, and engineering, it provides fast, reliable checks to confirm holes meet exact metric specifications.

Made from hardened steel, this GO gauge offers durability and wear resistance in busy environments. Its metric fine size (M140 x 2) and right-hand orientation align with standard M-thread holes, making it a trusted choice for routine thread verification and quality control.

• Metric Fine GO gauge for precise hole checks: Precisely sized for M140 x 2 with 6H tolerance, enabling quick, standards-compliant acceptance of threaded holes.
• Hardened steel construction for durability: Built to withstand daily use on busy shop floors, resisting wear and preserving accuracy over time.
• User-friendly design for fast verification: Clear GO-only design with a knurled exterior for easy handling, speeding up inspections and reducing downtime.

Using the GO gauge ensures consistent, repeatable thread verification, reduces guesswork and rework, and supports documentation for quality management systems. It helps technicians confirm hole readiness quickly, streamline assembly, and maintain high standards across maintenance, production, and repair workflows.