JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - 7/16 x 20 ER Mini Collet Chucks 3 combined with a 15

3 combined with a 15

standard-length finishing tool built from M2 high-speed steel for precise bore finishing

helping prevent chip buildup and maintain smooth bore finishes

helping keep production schedules on track

Right Hand: Built to match standard metric fine-thread specifications

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - 7/16 x 20 ER Mini Collet Chucks 3 combined with a 15The JBO Thread Ring Gauge (GO) UNF Right Hand 2A 7 16 x 20 is a precision inspection tool designed to quickly verify external thread diameters. Ideal for engineers, machinists, quality teams, and shop floor technicians, it ensures that UNF threaded components meet exact size and fit requirements at a glance. Manufactured as a GO gauge from hardened steel, this ring gauge delivers durable performance in busy environments. Its right hand orientation and