JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M18 x 1 Hydraulic Expansion Chucks supporting streamlined quality control and

supporting streamlined quality control and consistent results

and workshop professionals who need reliable hole sizing

Taper shank for secure seating: Standard taper shank fits common toolholders

improving heat management and prolonging edge life

reducing setup time and enabling repeatable tooling changes

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M18 x 1 Hydraulic Expansion Chucks supporting streamlined quality control andThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M18 x 1 is a precision tool designed to streamline inspection of external threads. Its ideal for engineers, inspectors, machinists, and maintenance crews who need reliable go no go testing to verify thread accuracy and compatibility in fast paced production environments. Crafted from hardened steel, this metric fine Go gauge delivers durable performance and long lasting accuracy even in demanding