Asimeto Plug Thread Gauge (D/E) - Metric - Right Hand - 6H - M50 x 3The Asimeto 682 Series Plug Gauge (D E) is a precision tool designed to quickly verify the internal threads of metric fine fasteners. Sized for M50 x 3 with a right hand thread and 6H tolerance, its ideal for quality control, assembly, and maintenance tasks that demand accurate pitch diameter checks. Series and tolerance: Part of the Asimeto 682 Series; conforms to the 6H metric tolerance for reliable internal thread gauging. Thread size and