JBO Thread Ring Gauge (NoGo) - UNEF - Right Hand - 2A - 1 1/8 x 18 ER Collet Chucks and improved workflow across finishing

and improved workflow across finishing operations

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

this reamer requires a brief lead time—please allow 24/48 hours for despatch

and fillets with a uniform finish

JBO Thread Ring Gauge (NoGo) - UNEF - Right Hand - 2A - 1 1/8 x 18 ER Collet Chucks and improved workflow across finishingThe 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