JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M18 x 1.5 ER Mini Collet Chucks reducing assembly issues and returns

reducing assembly issues and returns

maintaining compatibility with standard tool holders and reducing deflection in demanding cuts

while ISO H5 tolerance keeps your holes consistent from start to finish

Standard Length (BS 328/4): Ensures stable seating in common tool holders and consistent results across production runs

Made from intermediate precision carbide (K10) and finished to ISO H5 tolerance (DIN 212‑B compatible)

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M18 x 1.5 ER Mini Collet Chucks reducing assembly issues and returnsThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M18 x 1. 5 is a precise inspection instrument designed to verify external thread diameters with reliability. Built to support quality control across manufacturing, machining, and assembly environments, it helps you quickly identify parts that do not meet specification and move non conforming items out of the workflow. Left hand M18 x 1. 5 (6g) metric fine design: Specifically tailored for left