JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6e - M42 x 2 G minimizing chip welding and heat

minimizing chip welding and heat buildup

the long shank provides the reach needed for deep grooves while maintaining rigidity

Precision: Consistent performance and accurate hole quality across uses

The taper shank fits standard holders

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6e - M42 x 2 G minimizing chip welding and heatThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6e M42 x 2 is a precision tool designed to verify external thread diameters. Its ideal for engineers, inspectors, machinists, and quality teams who need fast, reliable go no go checks to confirm threads meet specification. Precise GO gauge for external threads: Quickly verify conformity to metric fine threads, including M42 x 2, with clear pass fail results for efficient inspections. Hardened steel