JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M58 x 1 M&D clean cuts on narrow ribs

clean cuts on narrow ribs across a range of materials

while the left-hand flute and right-hand cut geometry deliver efficient chip control for faster cycles and reliable bore quality

ER11 compatibility with 6

With a Type E2 design

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M58 x 1 M&D clean cuts on narrow ribsThe JBO Thread Ring Gauge (NoGo) Metric Fine is a precision tool that makes quick, confident checks of external thread diameters. Its designed for engineers, machinists, inspectors, and technicians who need reliable go no go verification for metric fine threads. Crafted from hardened steel for durability and wear resistance, this gauge withstands daily use in busy workshops and production lines while delivering repeatable results and easy