The JBO Plug Gauge - Metric (STI) Right Hand - 6H - M20 x 2.5 is a calibrated precision gauge designed specifically for metric screw thread inserts (STIs). It’s ideal for manufacturers, inspectors, and technicians who need quick, reliable conformance checks to M20 x 2.5, 6H tolerances, and STI standards.

The rugged knurled body and dual-threaded ends stand up to daily workshop use, while DAkkS-calibrated certification provides traceability for QA records.

• DAkkS-calibrated with traceable accuracy: Provides documented calibration for QA audits and supplier qualification, so you can prove part conformance with confidence.
• Metric STI compatibility with dual-end design: Precisely sized for M20 x 2.5 inserts and 6H tolerance, enabling fast go/no-go checks without guesswork.
• Rugged, easy-handling construction: Knurled body and dual-ended, threaded ends deliver reliable measurements in daily use, even with gloves, and resist wear over time.

Using the JBO Plug Gauge helps streamline insert inspection, reduce rework from incorrect fits, and maintain consistent quality across parts. Its traceable calibration, adherence to STI standards, and durable design make it a dependable addition to any quality control, maintenance, or manufacturing toolkit.