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aggressive roughing passes
07 mm and tuned to ISO H5 tolerance (DIN 206-B)
it integrates seamlessly into standard inspection routines
reducing setup time and eliminating grip failures in challenging workpieces
enabling quick alignment and repeatable checks in tight spaces
JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M39 x 3 FLH aggressive roughing passesThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M39 x 3 is a precision inspection tool designed to verify external threads with speed and confidence. Built for machinists, quality engineers, and assembly teams, it provides quick go no go results to confirm parts meet the M39 x 3 metric fine standard within the 6g tolerance. Manufactured from hardened steel, this gauge delivers durable, long lasting performance in demanding workshop
