JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M23 x 1 Boring Bar Blank By holding tools accurately at

By holding tools accurately at high RPM

delivering long service life and stable

it excels in dry cutting and high-speed operations

helping you verify fit and function of metric coarse threads quickly

improving workflow and overall project reliability

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M23 x 1 Boring Bar Blank By holding tools accurately atThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M23 x 1 is a precision inspection tool built for quality teams, machinists, and assembly technicians who work with left handed, fine pitch threads. It enables quick, reliable verification of external thread diameters to ensure parts meet their maximum allowable size. Made from hardened steel for long lasting durability, this gauge resists wear in busy workshops and maintains accuracy after