JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 0.75 Hex Key Drill Chuck and production runs where consistency

and production runs where consistency matters

The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M23 x 0

2-Flute carbide construction for reliable cutting: The 2-flute geometry paired with carbide delivers efficient material removal

Its left-hand spiral flute and right-hand cutting are engineered for reliable performance in everyday workshop and production environments

DIN standard: DIN 212-B conformity for compatibility with standard tooling

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 0.75 Hex Key Drill Chuck and production runs where consistencyThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M12 x 0. 75 is a precision inspection tool designed to verify external thread diameters quickly and reliably. Built for engineers, machinists, quality teams, and assembly professionals, it helps confirm that threaded components meet the M12 x 0. 75 metric fine standard. The NoGo designation supports fast pass fail assessments, reducing guesswork during in process checks and final inspections.