JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M138 x 2 Endmill25 it helps maintain stable alignment

it helps maintain stable alignment and dependable performance across demanding jobs

a tight corner radius of R0

By delivering precise hole sizes with a smooth finish

this reamer maintains tight dimensional control while delivering a smooth surface finish

helping maintain accurate hole sizes and extending tool life in hard or abrasive materials

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M138 x 2 Endmill25 it helps maintain stable alignmentThe JBO Thread Plug Gauge (GO) is a precision inspection tool designed to quickly verify metric fine threaded holes. Geared for professionals across manufacturing, machining, and quality control, it confirms that holes meet the minimum size for metric threads with a right hand orientation and 6H tolerance (M138 x 2), helping you catch undersized or out of spec parts early in the process. Go gauge for quick hole validation: Instantly confirms whether