JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6g - M14 x 2 FLH robust body and a built-in

robust body and a built-in clutch that lets you switch taps without additional tools

extending tool life even in tougher metals

reducing drift and improving hole accuracy during reaming

clean cuts with long-lasting edge retention

helping you hit precise bore sizes consistently and reduce finishing reworks

JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6g - M14 x 2 FLH robust body and a built-inThe JBO Thread Ring Gauge GO Metric Coarse is a GO gauge designed to verify external threads on metric coarse fasteners. Precisely sized for a left hand M14 x 2 thread, it helps quality teams, engineers, machinists, and workshop staff quickly confirm parts meet required tolerances without guesswork. Made from hardened steel, it withstands daily use in busy shop environments while maintaining consistent, accurate measurements. Its GO design focuses on