JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M39 x 3 Widin New With the DV50 holder

With the DV50 holder

Long-shank design for deep grooves: Extended reach provides stability and access in tight cavities and deep grooves without compromising rigidity or precision

producing a clean

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

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 With the DV50 holderThe 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.