JBO Plug Gauge - Metric (STI) Heli Coil Gauge - Right Hand - 6H - M20 x 2.5 - Calibrated (DAkkS Calibration) Hex Key Drill Chuck supporting faster feeds and improved

supporting faster feeds and improved productivity with stable

optimizing cutting performance and facilitating chip evacuation

you can enlarge holes to a precise diameter and achieve a clean

Precise NoGo verification: Quickly confirms whether the external thread diameter is within the required tolerance

designed for accurate hole finishing in metalworking environments

JBO Plug Gauge - Metric (STI) Heli Coil Gauge - Right Hand - 6H - M20 x 2.5 - Calibrated (DAkkS Calibration) Hex Key Drill Chuck supporting faster feeds and improvedThe 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). Its 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.