JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M42 x 1 NCDC Drill Chuck straightforward tool you can trust

straightforward tool you can trust for accurate

helping maintain sharpness and extend tool life in demanding milling operations

and maintain sharpness through demanding mold-and-die cycles

reducing downtime and part rework

Gash tooth geometry: engineered to minimize flute chipping

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M42 x 1 NCDC Drill Chuck straightforward tool you can trustThe JBO Thread Plug Gauge (NoGo) Metric Fine is a precision inspection tool designed to verify metric fine threaded holes. Specifically configured for left handed M42 x 1 threads and 6H tolerance, this NoGo gauge helps you quickly confirm holes meet the required size limits during quality checks. Constructed from hardened steel, this plug gauge resists wear and stands up to daily use in demanding workshop environments, delivering reliable performance