Asimeto Plug Thread Gauge (D/E) - Metric - Right Hand - 6H - M52 x 3The Asimeto Plug Thread Gauge (D E) from the 682 Series is a precision metric plug gauge designed for professionals who verify internal threads on metric fine fasteners. This righthand gauge, manufactured to 6H tolerance, delivers reliable pitch diameter checks for M52 x 3 threads. Series and variant: 682 Series, D E variant, metric, righthand orientation, 6H tolerance Thread size: M52 x 3 (metric fine thread) End design: Dual threaded ends for