JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M9 x 0.5 S&E Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting: This combination enhances chip control and finishes with less chatter

Flute design: Multi-flute sabre rougher geometry for aggressive cutting and efficient chip evacuation

and confident performance in deep groove and corner features across mold and die work

Its 2-flute stub-cut design delivers rigidity and precise corner radii

helping you finish projects faster and with fewer interruptions

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M9 x 0.5 S&E Left-hand spiral flute with right-handThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6g, M9 x 0. 5 is a precision inspection tool designed to verify external thread sizes against a metric fine standard. Its knurled outer edge provides a secure grip, and a small red marker aids quick orientation during setup, making it ideal for engineers, machinists, QA teams, and workshop technicians who need fast, reliable go no go checks on threaded components. Crafted from hardened steel,