JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - No. 3 x 48 FLH helping to minimize chatter and

helping to minimize chatter and produce cleaner holes

The combination of HSS-E construction and a spiral flute delivers durable performance under demanding cutting conditions

047") kerf for efficient material removal and clean slots

repeatable finishes in challenging machining environments

Precise Ø0

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - No. 3 x 48 FLH helping to minimize chatter andJBO Thread Ring Gauge (GO) UNC Right Hand 3A No. 3 x 48 is a precision Go gauge designed to verify external UNC threads on a wide range of components. Crafted from hardened steel, it delivers durable, reliable go no go checks that stand up to daily use in demanding workshop environments. Designed for engineers, inspectors, machinists, and quality teams, this ring gauge provides a quick, trustworthy way to confirm thread size and fit, helping ensure