JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M9 x 0.5 S&E chatter‑free cuts: The two-flute geometry

chatter‑free cuts: The two-flute geometry minimizes vibration and heat buildup

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

helping you finish projects faster and with fewer interruptions

pins keep the collet open during boring

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

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M9 x 0.5 S&E chatter‑free cuts: The two-flute geometryThe 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,