JBO Thread Ring Gauge (NoGo) - UNEF - Left Hand - 2A - 1/4 x 32 FMH FLH FHH S&E A&NF M&D Wide clamping range with round‑shank

Wide clamping range with round‑shank tooling: Covers 3–20 mm tooling within the ER32 standard

delivering stable hole sizes with tight control

and manufactured parts requiring strict hole tolerances

reducing chatter and improving surface texture

06 mm nominal diameter is a precision finishing tool designed to refine pre-drilled holes to a tight

JBO Thread Ring Gauge (NoGo) - UNEF - Left Hand - 2A - 1/4 x 32 FMH FLH FHH S&E A&NF M&D Wide clamping range with round‑shankThe JBO Thread Ring Gauge (NoGo) is a precision tool for verifying external thread diameters on fasteners, fittings, and machined components. Ideal for manufacturing, automotive, and aerospace quality labs, it helps you quickly determine whether a part meets UNEF thread specifications. Designed as a NoGo gauging solution, it provides an at a glance pass fail check that prevents undersized or oversized threads from slipping into assemblies, saving time