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Through coolant with DIN 8093/H4 tolerance: keeps cutting edges cool
and a standard shank helps maintain accuracy across jobs
Geometry: Stub-cut length to enhance rigidity and reduce deflection during heavy cuts
3 mm up to 10
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 Through coolant with DIN 8093/H4JBO 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
