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while the left-hand spiral flute aids swarf evacuation and reduces chatter during manual reaming
Carbide construction for long tool life: Intermediate precision carbide (k10) body provides durability and consistent hole size across jobs
repeatable measurements and minimizing cross-threading risks in sensitive applications
it stands up to heat and wear for long-lasting performance
JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M140 x 4 RPTECH while the left-hand spiral fluteThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6g, M140 x 4 is a precision tool for verifying external thread diameters. Its ideal for engineers, inspectors, machinists, and quality teams who need quick, reliable checks to confirm threaded parts meet exact standards. Precise NoGo verification: Quickly confirms whether the external thread diameter is within the allowed maximum size for metric fine threads, helping you catch out of tolerance
