JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6e - M12 x 0.5 End Mill Holders Its straight shank and hand-reaming

Its straight shank and hand-reaming geometry provide straightforward operation in bench and workshop environments

one-handed handling during inspections

Reduced vibration during cutting: Variable 29° and 31° helix angles break up harmonic resonance

Its robust materials and precise tolerances translate to consistent performance you can count on in daily machining tasks

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6e - M12 x 0.5 End Mill Holders Its straight shank and hand-reamingThe JBO Thread Ring Gauge (NoGo) is a precision tool used to check external threads on components and fasteners. Designed for manufacturers, machine shops, and quality teams, it helps you quickly confirm whether a parts thread diameter is within spec. Configured for metric fine threads (M12 x 0. 5) in the 6e class and right hand orientation, this gauge provides a reliable, durable way to identify out of tolerance parts during routine inspections and