JBO Thread Ring Gauge (NoGo) - UNF - Left Hand - 2A - No. 5 x 44 Endmill25 dedicated reaming tool

dedicated reaming tool

H4 tolerance at 6

73 mm is an intermediate precision taper shank reamer made from high‑speed steel (M2)

built to deliver exceptional concentricity in CNC milling and turning

accurate corner finish matters

JBO Thread Ring Gauge (NoGo) - UNF - Left Hand - 2A - No. 5 x 44 Endmill25 dedicated reaming toolThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool for external UNF threads. Sized No. 5 x 44 and configured for left hand threads in the 2A class, it is ideal for automotive, aerospace, and general manufacturing environments that demand reliable thread verification. Its No Go design allows quick identification of non conforming threads, helping ensure proper fitment and reducing rework on the shop floor. Built from hardened steel, this