JBO Thread Ring Gauge (NoGo) - UNEF - Right Hand - 2A - 1 3/8 x 18 Power Milling Chucks while the two-flute design helps

while the two-flute design helps reduce chatter and downtime

accurate tool holding for high-speed machining

it delivers stable cutting action and efficient chip evacuation for a clean

smooth finished holes with minimal rework

JBO Thread Ring Gauge (NoGo) - UNEF - Right Hand - 2A - 1 3/8 x 18 Power Milling Chucks while the two-flute design helpsIntroducing the JBO Thread Ring Gauge (NoGo) for UNEF threadsRight Hand, 2A, 1 3 8 x 18. This precision instrument helps quality inspectors, engineers, and shop technicians quickly verify external thread diameters and instantly flag non conforming threads with its NoGo design, ensuring proper fit in assemblies used across manufacturing, automotive, and aerospace applications. No Go verification for quick pass fail checks: The NoGo feature enables