JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M39 x 3 Widin New Its meticulous design supports effortless

Its meticulous design supports effortless inspection and helps you identify non-conforming parts fast

Industry-Standard Compatibility: Built to JIS B6339 specifications and compatible with ISO50 tool holders

producing a clean

The combination of a stable cutting geometry and reliable mounting reduces downtime and boosts confidence in your manufacturing workflow

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M39 x 3 Widin New Its meticulous design supports effortlessThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M39 x 3 is a precise inspection tool designed to verify external thread diameters quickly and reliably. Used across manufacturing, machining, and quality control, it helps ensure each threaded component will mate correctly with its counterpart, meeting required standards on the shop floor. Crafted from hardened steel, this ring gauge delivers long lasting accuracy even in demanding environments.