JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M25 x 0.75 G reducing downtime and delivering reliable

reducing downtime and delivering reliable finishes in challenging metals

The long-radius edge minimizes entry and exit impact

accurate bore with stable cutting action

82 mm with ISO H5 tolerance under DIN 206-B

and hobbyists who need consistent bore quality across a range of metals

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M25 x 0.75 G reducing downtime and delivering reliableThe JBO Thread Ring Gauge (NoGo) Metric Fine, Left Hand, 6g, M25 x 0. 75 is a precision inspection tool for external threads. It helps technicians, engineers, and quality teams quickly determine whether a threaded component falls within tolerance by testing the maximum permissible diameter. Built from hardened steel, this NoGo gauge delivers exceptional wear resistance and long service life in demanding shop environments. Its Left Hand design and