JBO Thread Ring Gauge (NoGo) - UNEF - Right Hand - 2A - 1 1/8 x 18 ER Collet Chucks right-hand GO gauge designed to

right-hand GO gauge designed to verify external thread diameters with precision

and fillets with a uniform finish

It uses a left-hand spiral flute and right-hand cutting to finish holes with ISO H5 tolerance

HSS‑E cobalt construction: M35 cobalt-containing steel provides improved wear resistance and longer tool life in demanding materials

it’s ideal for production lines

JBO Thread Ring Gauge (NoGo) - UNEF - Right Hand - 2A - 1 1/8 x 18 ER Collet Chucks right-hand GO gauge designed toThe JBO Thread Ring Gauge (NoGo) is a precision instrument for inspecting external threads on fasteners, fittings, and machined components. Designed for UNEF righthand threads in size 11 8 x 18 with tolerance class 2A, it helps quality teams and shop floor personnel quickly verify that parts conform to Unified thread standards. Made from hardened steel, this ring gauge stands up to daily use and maintains consistent accuracy over time. The NoGo design