JBO Thread Ring Gauge (NoGo) - UNS - Right Hand - 2A - 1 x 16 G 63mm is a mid‑precision finishing

63mm is a mid‑precision finishing tool designed to bring drilled holes to a precise final diameter

helping you complete projects with tighter tolerances and fewer adjustments

HSS-E (M35 Cob) material for durability: The cobalt-enhanced steel provides excellent wear resistance and edge retention

giving you a custom grip that reduces part slippage and enhances accuracy

and other precision counterboring tasks where accuracy and reliability matter

JBO Thread Ring Gauge (NoGo) - UNS - Right Hand - 2A - 1 x 16 G 63mm is a mid‑precision finishingThe JBO Thread Ring Gauge (NoGo) is a precision measurement tool used to verify external thread diameters against Unified thread standards. Its designed for manufacturers, machinists, quality control teams, and assembly specialists who need fast, reliable checks on threaded components. This NoGo gauge helps you quickly identify non conforming threads, reducing inspection time and ensuring proper fitment in automotive, aerospace, and general mechanical