JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 0.5 Shrink Fit Holders and extend tool life during

and extend tool life during demanding cuts

right-hand cutting on a straight shank: Efficient chip evacuation and stable

helping extend tool life in regular reaming operations

accurate curves and superior surface finish on angled surfaces

this reamer minimizes wall chatter and delivers consistent finishes across production runs

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 0.5 Shrink Fit Holders and extend tool life duringThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external metric fine threads. Tailored for M12 x 0. 5 size and a left hand configuration, this ring gauge helps technicians, engineers, and quality teams quickly confirm that components meet the required thread dimensions. Made from hardened steel, the gauge delivers durable, long lasting performance in busy workshops and production lines. Its NoGo design supports fast, clear pass