JBO Plug Gauge - Metric (STI) Heli Coil Gauge - Right Hand - 6H - M6 x 1 - Calibrated (DAkkS Calibration) Tiny Tool Holders Crafted from HSS-E (M35 Cob)

Crafted from HSS-E (M35 Cob) and finished with the AcuRea hard-surface coating

3 mm up to 10

Geometry: Stub-cut length to enhance rigidity and reduce deflection during heavy cuts

it works with ER25 tool holders and standard ER25 nuts to provide a secure

JBO Plug Gauge - Metric (STI) Heli Coil Gauge - Right Hand - 6H - M6 x 1 - Calibrated (DAkkS Calibration) Tiny Tool Holders Crafted from HSS-E (M35 Cob)JBO Plug Gauge Metric (STI) Right Hand 6H M6 x 1 Calibrated (DAkkS Calibration) is a precision measurement tool designed to verify metric screw thread inserts (STIs) used in fast, reliable assembly across manufacturing, automotive, and aerospace sectors. Calibrated to DAkkS standards, this gauge delivers traceable accuracy for quality control and audit readiness, helping you confirm inserts meet exact M6 x 1 dimensions and 6H tolerance. Designed for