JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 0.5 Shrink Fit Holders right-hand cutting on a straight

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

Achieve precise hole sizing with the Toolex Reamer

Through coolant for cleaner cutting: Built to channel coolant through the tool

delivering longer tool life and steadier performance across longer runs

74 mm diameter delivers precise bore finishing with dependable performance in a wide range of materials

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 0.5 Shrink Fit Holders right-hand cutting on a straightThe 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