JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M42 x 1 NCDC Drill Chuck and maintain dependable performance in

and maintain dependable performance in demanding jobs

delivering repeatable hole sizes and smoother finishing passes

The extended length reduces the need for multiple tools when milling deep cavities

Gash tooth geometry: engineered to minimize flute chipping

making it suitable for engineering and manufacturing applications where hole size accuracy matters

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M42 x 1 NCDC Drill Chuck and maintain dependable performance inThe 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