JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M52 x 2 FHH high-performance choice for shops that

high-performance choice for shops that demand precision at speed

Manufactured from hardened steel and precision-ground

Applications: Ideal for grooving

The combination of rigid gauge length and precise clamping reduces tool chatter and rework

Performance: Known for accuracy and consistent hole quality across production and precision work

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M52 x 2 FHH high-performance choice for shops thatThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M52 x 2 is a precision tool designed to verify external thread diameters against the M52 x 2 metric fine standard. It is ideal for inspectors, machinists, quality teams, and engineers who need quick, reliable pass fail checks during component assembly, maintenance, and quality control. Crafted from hardened steel, this GO ring gauge resists wear and maintains tight tolerances after repeated use