Asimeto Plug Thread Gauge (D/E) - Metric - Right Hand - 6H - M27 x 1The Asimeto 682 Series Plug Gauge (D E) is a precision tool designed for engineers and machinists who need reliable verification of metric internal threads. Built for right hand M27 x 1 threads and 6H tolerance, it delivers accurate pitch diameter measurements to support quality control and proper fastener fit. Series & Standard: 682 Series plug gauge for internal thread verification in metric sizes Thread Size: M27 x 1 metric fine thread, right hand