JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 6H - M72 x 4 M&D while maximizing uptime thanks to

while maximizing uptime thanks to longer tool life and reduced tool changes

The corner radius helps reduce chipping on delicate edges and enables reliable contouring

high-precision hole finishes in metalworking projects

Designed for small-diameter rib work

leading to faster cycles and less downtime for tool changes

JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 6H - M72 x 4 M&D while maximizing uptime thanks toThe JBO Thread Plug Gauge (NoGo) Metric Fine, Right Hand, 6H, M72 x 4 is a precision inspection tool designed for metric fine threaded holes. Its built for machinists, inspectors, and production teams who need reliable, repeatable hole checks throughout manufacturing and quality control. Designed specifically for metric fine threads, this NoGo plug gauge delivers dependable pass fail readings that help you confirm holes meet the M72 x 4, 6H standard