JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 3A - No. 5 x 40 Endmill25 and non‑ferrous materials with minimal

and non‑ferrous materials with minimal runout and burrs

ensuring consistent surface quality and productive machining every day

you receive a tool tailored to your exact diameter with a predictable 24–48 hour dispatch window to keep production moving

standardized interface that fits cleanly into common CNC setups while meeting DIN69871 standards

This intermediate precision reamer delivers consistent sizing with reliable surface finish

JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 3A - No. 5 x 40 Endmill25 and non‑ferrous materials with minimalThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external UNC threads on right hand fasteners. Sized No. 5 x 40 and built to the 3A class, its crafted for use in manufacturing, automotive, and aerospace environments where accurate thread measurement matters. This gauge helps quality teams quickly confirm that threads meet Unified thread standards and specifications. NoGo design for fast conformance checks: Quickly