JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M80 x 1 Endmill25 helping you reject out-of-spec parts

helping you reject out-of-spec parts at a glance and reduce rework

while the left-hand spiral flute with right-hand cutting provides efficient chip evacuation and stable cutting directions during finishing passes

HSS (M2): Secure mounting in common tool holders and robust wear resistance for repeated reaming across steel and other metals

Use it to achieve final hole diameters with minimal burrs and improved surface finishes

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M80 x 1 Endmill25 helping you reject out-of-spec partsThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external threads on components with metric fine pitch. Specifically configured for M80 x 1 right hand threads, it helps engineers, machinists, and quality control teams quickly confirm that parts meet exact size and thread standards. Crafted from hardened steel, this ring gauge delivers durable, long lasting performance in busy workshop environments. Its NoGo