JBO Thread Ring Gauge (NoGo) - UNJC - Right Hand - 3B - 1/4 x 20 Hydraulic Expansion Chucks it provides the precision needed

it provides the precision needed for intricate profiles and tight tolerances

user-friendly design makes it easy to quickly identify properly conforming threads

tight-tolerance bores across a range of metals

high-quality holes with minimal rework

JBO Thread Ring Gauge (NoGo) - UNJC - Right Hand - 3B - 1/4 x 20 Hydraulic Expansion Chucks it provides the precision neededThe JBO Thread Ring Gauge (NoGo) for UNJC external threads is a precise, hand held inspection tool designed to verify thread diameters quickly and reliably. Built for engineers, inspectors, and machinists across manufacturing, automotive, and aerospace sectors, it helps confirm that external threads conform to Unified standards. Its NoGo design makes non conforming threads immediately identifiable, supporting fast pass fail decisions on the shop