The JBO Plug Gauge - Metric Fine (STI) Heli Coil Gauge is a precision measuring tool built to verify metric screw thread inserts (STIs). Right-handed and calibrated to a 6H class with M10 x 1 threads, this gauge helps inspectors and technicians quickly confirm that STI inserts meet exact metric specifications. Ideal for manufacturing, automotive, and aerospace QA workflows, it offers reliable, repeatable checks you can trust.

• Calibrated with DAkkS traceability: Each gauge is calibrated to recognized standards, ensuring traceable, high-accuracy measurements that support rigorous quality control and audit readiness.
• Metric STI-specific verification: Precisely sized for M10 x 1 inserts, enabling fast, repeatable checks that confirm inserts conform to the 6H metric STI specifications.
• Ergonomic, durable construction: Designed for comfortable handling with a secure knurled grip and robust ends, delivering dependable performance in busy shop environments over many inspections.

This plug gauge helps you streamline inspection workflows by providing quick, reliable validation of STI insert fit and quality. With DAkkS-calibrated accuracy and a durable, easy-to-use design, you can reduce rework, speed up assembly, and maintain consistent thread quality across production runs.