the JBO NoGo ring gauge gives you confidence that every threaded component meets your specifications
45° Helix for Reduced Vibration and Better Finish: The angled flute geometry smooths cutting action
confident step in the inspection process
The JBO Thread Ring Gauge (NoGo) — Metric Fine is a precision inspection tool designed to verify external thread diameters
Shank: Straight shank for secure grip and easy use in hand or drill setups
Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 11ER28UNBMA Hydraulic Expansion Chucks the JBO NoGo ring gaugeThe Carmex Thread Turning External Insert is a high quality laydown triangular insert designed for external threading on UNC, UNF, UNEF, and UNS standards. Right hand orientation (model 11ER28UNBMA), its built for engineers, machinists, and shops that require dependable threads across a variety of materials and applications. Broad thread standard compatibility: One insert covers UNC, UNF, UNEF, and UNS external threads, reducing tool changes and