JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M27 x 1 G and deliver consistent hole quality

and deliver consistent hole quality in professional and hobbyist workshops alike

this precision collet delivers consistent clamping on round tooling and shafts

quick clamping in common toolholding systems

Left-hand spiral flute with right-hand cutting: This flute arrangement promotes efficient chip evacuation and a smooth bore finish

it provides flexibility for your mold and die projects

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M27 x 1 G and deliver consistent hole qualityThe JBO Thread Ring Gauge (NoGo) in Metric Fine is a precision tool for verifying external threads on fasteners, sleeves, and mating components. Specifically configured for right hand M27 x 1 threads, this gauge helps inspectors and machinists confirm that parts meet the required diameter and pitch with consistent, repeatable results. Its NoGo designation means you quickly identify under or over tolerance parts during routine QC. Crafted from hardened