Asimeto Plug Thread Gauge (D/E) - Metric - Right Hand - 6H - M36 x 1.5The Asimeto 682 Series Plug Thread Gauge (D E) in metric form is a precision internal thread gauge designed for machinists and quality inspectors who verify fine metric fasteners. Designed to ISO metric standards with a 6H tolerance, it delivers accurate pitch diameter checks for M36 x 1. 5 threads. End to end design: Dual threaded ends (D E) allow quick, on tool checks without flipping between gauges. Thread Size: M36 x 1. 5, a common metric fine